Prof. Dr. Philipp Gegenwart

Professor
Experimental Physics VI
Phone: +49-821-598-3650
Fax: +49-821-598-3652
Email: philipp.gegenwart@physik.uni-augsburg.de
Room: 240 (S)
Address: Universitätsstraße 1 (Physik Süd), 86159 Augsburg

 

 

 

Publications

2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 | 1997 | 1996 | 1995 | 1994

2022

L. Salamakha, O. Sologub, A. Riss, H. Michor, H. Müller, B. Stöger, G. Giester, P. Rogl, A. Sakai, Philipp Gegenwart und E. Bauer
Complex transport and magnetism of the ternary boride YbPt5B2

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A. Wörl, M. Garst, Y. Yamane, S. Bachus, T. Onimaru und Philipp Gegenwart
Divergent thermal expansion and Grüneisen ratio in a quadrupolar Kondo metal

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Ulrich Eckern und Philipp Gegenwart
From electronic correlations to functionality [Guest Editorial]

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Alexander A. Tsirlin und Philipp Gegenwart
Kitaev magnetism through the prism of lithium iridate

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Bin Shen, Franziska Breitner, Danil Prishchenko, Rudra Sekhar Manna, Anton Jesche, Maximilian L. Seidler, Philipp Gegenwart und Alexander A. Tsirlin
Pressure-induced dimerization and collapse of antiferromagnetism in the Kitaev material α−Li2IrO3

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Donald M. Evans, Ola G. Grendal, Lilian Prodan, Maximilian Winkler, Noah Winterhalter-Stocker, Philipp Gegenwart, Somnath Ghara, Joachim Deisenhofer, István Kézsmárki und Vladimir Tsurkan
Resolving structural changes and symmetry lowering in spinel FeCr2S4

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M. Majumder, R. Gupta, H. Luetkens, R. Khasanov, O. Stockert, Philipp Gegenwart und V. Fritsch
Spin-liquid signatures in the quantum critical regime of pressurized CePdAl

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2021

Sebastian Bachus, D. A. S. Kaib, Anton Jesche, Vladimir Tsurkan, Alois Loidl, S. M. Winter, Alexander A. Tsirlin, R. Valentí und Philipp Gegenwart
Angle-dependent thermodynamics of α−RuCl3

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Sven Esser, Jiongyao Wu, Sebastian Esser, Robert Gruhl, Anton Jesche, Vladimir Roddatis, Vasily Moshnyaga, Rossitza Pentcheva und Philipp Gegenwart
Angular dependence of Hall effect and magnetoresistance in SrRuO3−SrIrO3 heterostructures

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Y. Shimura, Andreas Wörl, M. Sundermann, S. Tsuda, D. T. Adroja, A. Bhattacharyya, A. M. Strydom, A. D. Hillier, F. L. Pratt, A. Gloskovskii, A. Severing, T. Onimaru, Philipp Gegenwart und T. Takabatake
Antiferromagnetic correlations in strongly valence fluctuating CeIrSn

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Jiongyao Wu, Marcel Zöllner, Sebastian Esser, Vijaya Begum, Günther Prinz, Axel Lorke, Philipp Gegenwart und Rossitza Pentcheva
Electronic reconstruction and charge transfer in strained Sr2CoIrO6 double perovskite

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Yoshifumi Tokiwa, Sebastian Bachus, Kavita Kavita, Anton Jesche, Alexander A. Tsirlin und Philipp Gegenwart
Frustrated magnet for adiabatic demagnetization cooling to milli-Kelvin temperatures

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Bin Shen, Anton Jesche, Maximilian L. Seidler, Friedrich Freund, Philipp Gegenwart und Alexander A. Tsirlin
Interplay of magnetism and dimerization in the pressurized Kitaev material β−Li2IrO3

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J. Fink, E. D. L. Rienks, M. Yao, R. Kurleto, J. Bannies, S. Aswartham, I. Morozov, S. Wurmehl, T. Wolf, F. Hardy, C. Meingast, H. S. Jeevan, J. Maiwald, Philipp Gegenwart, C. Felser und B. Büchner
Linkage between scattering rates and superconductivity in doped ferropnictides

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Thomas Dziuba, Ina-Marie Pietsch, Máté Stark, Georg A. Traeger, Philipp Gegenwart und Martin Wenderoth
Surface conductivity of the honeycomb spin–orbit Mott insulator Na2IrO3

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M. Hemmida, N. Winterhalter-Stocker, D. Ehlers, Hans-Albrecht Krug von Nidda, M. Yao, J. Bannies, E. D. L. Rienks, R. Kurleto, C. Felser, B. Büchner, J. Fink, S. Gorol, T. Förster, S. Arsenijevic, V. Fritsch und Philipp Gegenwart
Topological magnetic order and superconductivity in EuRbFe4As4

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2020

R. Miki, Kan Zhao, T. Hajiri, Philipp Gegenwart und H. Asano
Epitaxial growth and orientation-dependent anomalous Hall effect of noncollinear antiferromagnetic Mn3Ni0.35Cu0.65N films

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M. Majumder, M. Prinz-Zwick, Stephan Reschke, A. Zubtsovskii, T. Dey, F. Freund, Norbert Büttgen, Anton Jesche, István Kézsmárki, Alexander A. Tsirlin und Philipp Gegenwart
Field evolution of low-energy excitations in the hyperhoneycomb magnet β−Li2IrO3

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Sebastian Bachus, Ilia A. Iakovlev, Yuesheng Li, Andreas Wörl, Yoshifumi Tokiwa, Langsheng Ling, Qingming Zhang, Vladimir V. Mazurenko, Philipp Gegenwart und Alexander A. Tsirlin
Field evolution of the spin-liquid candidate YbMgGaO4

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A. Revelli, M. Moretti Sala, G. Monaco, C. Hickey, P. Becker, F. Freund, Anton Jesche, Philipp Gegenwart, T. Eschmann, F. L. Buessen, S. Trebst, P. H. M. van Loosdrecht, J. van den Brink und M. Grüninger
Fingerprints of Kitaev physics in the magnetic excitations of honeycomb iridates

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Y. Shimura, T. Kitazawa, S. Tsuda, Sebastian Bachus, Yoshifumi Tokiwa, Philipp Gegenwart, R. Yamamoto, Y. Yamane, I. Nishihara, K. Umeo, T. Onimaru, T. Takabatake, H. T. Hirose, N. Kikugawa, T. Terashima und S. Uji
Fragile superheavy Fermi liquid in YbCo2Zn20

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Oliver Stockert, Jens-Uwe Hoffmann, Martin Mühlbauer, Anatoliy Senyshyn, Michael M. Koza, Alexander A. Tsirlin, F. Maximilian Wolf, Sebastian Bachus, Philipp Gegenwart, Roman Movshovich, Svilen Bobev und Veronika Fritsch
Magnetic frustration in a metallic fcc lattice

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Yuesheng Li, Sebastian Bachus, Hao Deng, Wolfgang Schmidt, Henrik Thoma, Vladimir Hutanu, Yoshifumi Tokiwa, Alexander A. Tsirlin und Philipp Gegenwart
Partial up-up-down order with the continuously distributed order parameter in the triangular antiferromagnet TmMgGaO4

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Mayukh Majumder, Gediminas Simutis, Ines E. Collings, Jean-Christophe Orain, Tusharkanti Dey, Yuesheng Li, Philipp Gegenwart und Alexander A. Tsirlin
Persistent spin dynamics in the pressurized spin-liquid candidate YbMgGaO4

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Kan Zhao, Hao Deng, Hua Chen, Kate A. Ross, Vaclav Petříček, Gerrit Günther, Margarita Russina, Vladimir Hutanu und Philipp Gegenwart
Realization of the kagome spin ice state in a frustrated intermetallic compound

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Ying Li, Alexander A. Tsirlin, Tusharkanti Dey, Philipp Gegenwart, Roser Valentí und Stephen M. Winter
Soft and anisotropic local moments in 4d and 5d mixed-valence M2O9 dimers

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Yuesheng Li, Philipp Gegenwart und Alexander A. Tsirlin
Spin liquids in geometrically perfect triangular antiferromagnets

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R. Mandal, M. Hirsbrunner, V. Roddatis, R. Gruhl, L. Schüler, U. Roß, S. Merten, Philipp Gegenwart und V. Moshnyaga
Strain-driven structure-ferroelectricity relationship in hexagonal TbMnO3 films

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Sebastian Bachus, D. A. S. Kaib, Yoshifumi Tokiwa, Anton Jesche, Vladimir Tsurkan, Alois Loidl, S. M. Winter, Alexander A. Tsirlin, R. Valentí und Philipp Gegenwart
Thermodynamic perspective on field-induced behavior of α−RuCl3

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2019

J. Xu, Owen Benton, V. K. Anand, A. T. M. N. Islam, T. Guidi, G. Ehlers, E. Feng, Y. Su, A. Sakai, Philipp Gegenwart und B. Lake
Anisotropic exchange Hamiltonian, magnetic phase diagram, and domain inversion of Nd2Zr2O7

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M. Majumder, Florian Freund, T. Dey, M. Prinz-Zwick, Norbert Büttgen, Y. Skourski, Anton Jesche, Alexander A. Tsirlin und Philipp Gegenwart
Anisotropic temperature-field phase diagram of single crystalline β−Li2IrO3: magnetization, specific heat, and Li7 NMR study

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K. Zhao, T. Hajiri, H. Chen, R. Miki, H. Asano und Philipp Gegenwart
Anomalous Hall effect in the noncollinear antiferromagnetic antiperovskite Mn3Ni1−xCuxN

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Alexander A. Tsirlin und Philipp Gegenwart
Frustration mit erstaunlicher Wirkung: Quantenspinflüssigkeiten

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Lei Ding, Pascal Manuel, Sebastian Bachus, Franziska Grußler, Philipp Gegenwart, John Singleton, Roger D. Johnson, Helen C. Walker, Devashibhai T. Adroja, Adrian D. Hillier und Alexander A. Tsirlin
Gapless spin-liquid state in the structurally disorder-free triangular antiferromagnet NaYbO2

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J. G. Vale, C. D. Dashwood, E. Paris, L. S. I. Veiga, M. Garcia-Fernandez, A. Nag, A. Walters, Ke-Jin Zhou, I.-M. Pietsch, Anton Jesche, Philipp Gegenwart, R. Coldea, T. Schmitt und D. F. McMorrow
High-resolution resonant inelastic x-ray scattering study of the electron-phonon coupling in honeycomb α−Li2IrO3

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A. Wörl, T. Onimaru, Yoshifumi Tokiwa, Y. Yamane, K. T. Matsumoto, T. Takabatake und Philipp Gegenwart
Highly anisotropic strain dependencies in PrIr2Zn20

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V. Hermann, Jihaan Ebad-Allah, F. Freund, Anton Jesche, Alexander A. Tsirlin, Philipp Gegenwart und Christine A. Kuntscher
Optical signature of the pressure-induced dimerization in the honeycomb iridate α−Li2IrO3

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V. Hermann, S. Biswas, Jihaan Ebad-Allah, F. Freund, Anton Jesche, Alexander A. Tsirlin, M. Hanfland, D. Khomskii, Philipp Gegenwart, R. Valentí und Christine A. Kuntscher
Pressure-induced formation of rhodium zigzag chains in the honeycomb rhodate Li2RhO3

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Hengcan Zhao, Jiahao Zhang, Meng Lyu, Sebastian Bachus, Yoshifumi Tokiwa, Philipp Gegenwart, Shuai Zhang, Jinguang Cheng, Yi-feng Yang, Genfu Chen, Yosikazu Isikawa, Qimiao Si, Frank Steglich und Peijie Sun
Quantum-critical phase from frustrated magnetism in a strongly correlated metal

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Yuesheng Li, Sebastian Bachus, Benqiong Liu, Igor Radelytskyi, Alexandre Bertin, Astrid Schneidewind, Yoshifumi Tokiwa, Alexander A. Tsirlin und Philipp Gegenwart
Rearrangement of uncorrelated valence bonds evidenced by low-energy spin excitations in YbMgGaO4

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Sungkyun Choi, S. Manni, J. Singleton, C. V. Topping, T. Lancaster, S. J. Blundell, D. T. Adroja, V. Zapf, Philipp Gegenwart und R. Coldea
Spin dynamics and field-induced magnetic phase transition in the honeycomb Kitaev magnet α−Li2IrO3

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R. Kumar, Tusharkanti Dey, P. M. Ette, K. Ramesha, Atasi Chakraborty, I. Dasgupta, R. Eremina, Sándor Tóth, A. Shahee, S. Kundu, M. Prinz-Zwick, A. A. Gippius, Hans-Albrecht Krug von Nidda, Norbert Büttgen, Philipp Gegenwart und A. V. Mahajan
Structural, thermodynamic, and local probe investigations of the honeycomb material Ag3LiMn2O6

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Ines Collings, Rudra Sekhar Manna, Alexander A. Tsirlin, Maxim Bykov, Elena Bykova, Michael Hanfland, Philipp Gegenwart, Sander van Smaalen, Leonid Dubrovinsky und Natalia Dubrovinskaia
Structure–magnetic property correlations in metal–formate frameworks at high pressure [Abstract]

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M.-H. Schubert, Yoshifumi Tokiwa, S.-H. Hübner, M. Mchalwat, E. Blumenröther, H. S. Jeevan und Philipp Gegenwart
Tuning low-energy scales in YbRh2Si2 by non-isoelectronic substitution and pressure

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R. Kumar, Tusharkanti Dey, P. M. Ette, K. Ramesha, Atasi Chakraborty, I. Dasgupta, J. C. Orain, C. Baines, Sándor Tóth, A. Shahee, S. Kundu, M. Prinz-Zwick, A. A. Gippius, Norbert Büttgen, Philipp Gegenwart und A. V. Mahajan
Unconventional magnetism in the 4d4-based S=1 honeycomb system Ag3LiRu2O6

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2018

Ryszard Matysiak, Philipp Gegenwart, Akira Ochiai und Frank Steglich
Application of numerical quantum transfer-matrix approach in the randomly diluted quantum spin chains

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Parallel processing and applied mathematics: 12th International Conference, PPAM 2017, Lublin, Poland, September 10-13, 2017, Revised Selected Papers, Part II

M. Majumder, R. S. Manna, G. Simutis, J. C. Orain, T. Dey, F. Freund, Anton Jesche, R. Khasanov, P. K. Biswas, E. Bykova, N. Dubrovinskaia, L. S. Dubrovinsky, R. Yadav, L. Hozoi, S. Nishimoto, Alexander A. Tsirlin und Philipp Gegenwart
Breakdown of magnetic order in the pressurized Kitaev iridate β−Li2IrO3

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K. Zhao, J. K. Glasbrenner, H. Gretarsson, Dominik Schmitz, J. Bednarcik, M. Etter, J. P. Sun, Rudra S. Manna, A. Al-Zein, S. Lafuerza, Wolfgang Scherer, J. G. Cheng und Philipp Gegenwart
Collapsed tetragonal phase as a strongly covalent and fully nonmagnetic state: persistent magnetism with interlayer As–As bond formation in Rh-doped Ca0.8Sr0.2Fe2As2

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V. Hermann, M. Altmeyer, Jihaan Ebad-Allah, Florian Freund, Anton Jesche, Alexander A. Tsirlin, M. Hanfland, Philipp Gegenwart, I. I. Mazin, D. I. Khomskii, R. Valentí und Christine A. Kuntscher
Competition between spin-orbit coupling, magnetism, and dimerization in the honeycomb iridates: α−Li2IrO3 under pressure

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Yoshifumi Tokiwa, Takuya Yamashita, Daiki Terazawa, Kenta Kimura, Yuichi Kasahara, Takafumi Onishi, Yasuyuki Kato, Mario Halim, Philipp Gegenwart, Takasada Shibauchi, Satoru Nakatsuji, Eun-Gook Moon und Yuji Matsuda
Discovery of emergent photon and monopoles in a quantum spin liquid

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Guiming Pang, Michael Smidman, Jinglei Zhang, Lin Jiao, Zongfa Weng, Emilian M. Nica, Ye Chen, Wenbing Jiang, Yongjun Zhang, Wu Xie, Hirale S. Jeevan, Hanoh Lee, Philipp Gegenwart, Frank Steglich, Qimiao Si und Huiqiu Yuan
Fully gapped d-wave superconductivity in CeCu2Si2

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Yuesheng Li, Sebastian Bachus, Yoshifumi Tokiwa, Alexander A. Tsirlin und Philipp Gegenwart
Gapped ground state in the zigzag pseudospin-1/2 quantum antiferromagnetic chain compound PrTiNbO6

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Jannis Maiwald, I. I. Mazin und Philipp Gegenwart
Microscopic Theory of Magnetic Detwinning in Iron-Based Superconductors with Large-Spin Rare Earths

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Franziska Weickert, Philipp Gegenwart, Christoph Geibel, Wolf Assmus und Frank Steglich
Observation of two critical points linked to the high-field phase B in CeCu2Si2

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Ines E. Collings, Rudra Sekhar Manna, Alexander A. Tsirlin, Maxim Bykov, Elena Bykova, Michael Hanfland, Philipp Gegenwart, Sander van Smaalen, Leonid Dubrovinsky und Natalia Dubrovinskaia
Pressure dependence of spin canting in ammonium metal formate antiferromagnets

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K. Zhao, E. Golias, Q. H. Zhang, M. Krivenkov, Anton Jesche, L. Gu, O. Rader, I. I. Mazin und Philipp Gegenwart
Quantum oscillations and Dirac dispersion in the BaZnBi2 semimetal guaranteed by local Zn vacancy order

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S. Esser, C. F. Chang, C.-Y. Kuo, S. Merten, V. Roddatis, T. D. Ha, Anton Jesche, V. Moshnyaga, H.-J. Lin, A. Tanaka, C. T. Chen, L. H. Tjeng und Philipp Gegenwart
Strain-induced changes of the electronic properties of B-site ordered double-perovskite Sr2CoIrO6 thin films

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2017

Veronika Fritsch, Stefan Lucas, Zita Huesges, Akito Sakai, Wolfram Kittler, Christian Taubenheim, Sarah Woitschach, Bjørn Pedersen, Kai Grube, Burkhard Schmidt, Philipp Gegenwart, Oliver Stockert und Hilbert von Löhneysen
CePdAl: a Kondo lattice with partial frustration

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Philipp Gegenwart
Classification of materials with divergent magnetic Grüneisen parameter

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Yuesheng Li, Devashibhai Adroja, Robert I. Bewley, David Voneshen, Alexander A. Tsirlin, Philipp Gegenwart und Qingming Zhang
Crystalline electric-field randomness in the triangular lattice spin-liquid YbMgGaO4

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I. Avigo, S. Thirupathaiah, E. D. L. Rienks, L. Rettig, A. Charnukha, M. Ligges, R. Cortes, J. Nayak, Hirale S. Jeevan, T. Wolf, Y. Huang, S. Wurmehl, M. I. Sturza, Philipp Gegenwart, M. S. Golden, L. X. Yang, K. Rossnagel, M. Bauer, B. Büchner, Matthias Vojta, M. Wolf, C. Felser, J. Fink und U. Bovensiepen
Electronic structure and ultrafast dynamics of FeAs-based superconductors by angle- and time-resolved photoemission spectroscopy

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S. Lucas, K. Grube, C.-L. Huang, A. Sakai, S. Wunderlich, E. L. Green, J. Wosnitza, Veronika Fritsch, Philipp Gegenwart, O. Stockert und Hilbert von Löhneysen
Entropy evolution in the magnetic phases of partially frustrated CePdAl

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J. Fink, E. D. L. Rienks, S. Thirupathaiah, J. Nayak, A. van Roekeghem, S. Biermann, T. Wolf, P. Adelmann, Hirale S. Jeevan, Philipp Gegenwart, S. Wurmehl, C. Felser und B. Büchner
Experimental evidence for importance of Hund's exchange interaction for incoherence of charge carriers in iron-based superconductors

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V. Hermann, Jihaan Ebad-Allah, Florian Freund, I. M. Pietsch, Anton Jesche, Alexander A. Tsirlin, Joachim Deisenhofer, M. Hanfland, Philipp Gegenwart und Christine A. Kuntscher
High-pressure versus isoelectronic doping effect on the honeycomb iridate Na2 IrO3

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Jannis Maiwald und Philipp Gegenwart
Interplay of 4f and 3d moments in EuFe2As2 iron pnictides

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Tanmoy Chakraborty, Harkirat Singh, Dipanjan Chaudhuri, Hirale S. Jeevan, Philipp Gegenwart und Chiranjib Mitra
Investigation of thermodynamic properties of Cu(NH3)4SO4·H2O, a Heisenberg spin chain compound

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Jonathan Pelliciari, Kenji Ishii, Marcus Dantz, Xingye Lu, Daniel E. McNally, Vladimir N. Strocov, Lingyi Xing, Xiancheng Wang, Changqing Jin, Hirale S. Jeevan, Philipp Gegenwart und Thorsten Schmitt
Local and collective magnetism of EuFe2As2

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P. Khuntia, S. Manni, F. R. Foronda, T. Lancaster, S. J. Blundell, Philipp Gegenwart und M. Baenitz
Local magnetism and spin dynamics of the frustrated honeycomb rhodate Li2RhO3

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Stephen M Winter, Alexander A. Tsirlin, Maria Daghofer, Jeroen van den Brink, Yogesh Singh, Philipp Gegenwart und Roser Valentí
Models and materials for generalized Kitaev magnetism

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Yuesheng Li, Devashibhai Adroja, David Voneshen, Robert I. Bewley, Qingming Zhang, Alexander A. Tsirlin und Philipp Gegenwart
Nearest-neighbour resonating valence bonds in YbMgGaO4

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David Neubauer, Artem V. Pronin, Sina Zapf, Johannes Merz, Hirale S. Jeeven, Wen-He Jiao, Philipp Gegenwart, Guang-Han Cao und Martin Dressel
Optical properties of superconducting EuFe2(As1-xPx)2

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Tusharkanti Dey, M. Majumder, J. C. Orain, A. Senyshyn, M. Prinz-Zwick, Sebastian Bachus, Yoshifumi Tokiwa, F. Bert, P. Khuntia, Norbert Büttgen, Alexander A. Tsirlin und Philipp Gegenwart
Persistent low-temperature spin dynamics in the mixed-valence iridate Ba3InIr2O9

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R. Küchler, A. Wörl, Philipp Gegenwart, M. Berben, B. Bryant und S. Wiedmann
The world’s smallest capacitive dilatometer, for high-resolution thermal expansion and magnetostriction in high magnetic fields

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R. Küchler, Christian Stingl, Yoshifumi Tokiwa, M. S. Kim, T. Takabatake und Philipp Gegenwart
Uniaxial stress tuning of geometrical frustration in a Kondo lattice

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2016

R. Küchler, Christian Stingl und Philipp Gegenwart
A uniaxial stress capacitive dilatometer for high-resolution thermal expansion and magnetostriction under multiextreme conditions

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G. Kamieniarz, R. Matysiak, Philipp Gegenwart, A. Ochiai und F. Steglich
Bose glass behavior in (Yb1−xLux)4As3 representing randomly diluted quantum spin-1/2 chains

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Sina Zapf, David Neubauer, Kirk W. Post, Alina Kadau, Johannes Merz, Conrad Clauss, Anja Löhle, Hirale S. Jeevan, Philipp Gegenwart, Dimitri N. Basov und Martin Dressel
Electronic scattering effects in europium-based iron pnictides

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Philipp Gegenwart
Grüneisen parameter studies on heavy fermion quantum criticality

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S. C. Williams, R. D. Johnson, Florian Freund, Sungkyun Choi, Anton Jesche, I. Kimchi, S. Manni, A. Bombardi, P. Manuel, Philipp Gegenwart und R. Coldea
Incommensurate counterrotating magnetic order stabilized by Kitaev interactions in the layered honeycomb α−Li2IrO3

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Yoshifumi Tokiwa, M. Mchalwat, R. S. Perry und Philipp Gegenwart
Multiple metamagnetic quantum criticality in Sr3Ru2O7

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Yuesheng Li, Devashibhai Adroja, Pabitra K. Biswas, Peter J. Baker, Qian Zhang, Juanjuan Liu, Alexander A. Tsirlin, Philipp Gegenwart und Qingming Zhang
Muon spin relaxation evidence for the U(1) quantum spin-liquid ground state in the triangular antiferromagnet YbMgGaO4

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Akito Sakai, Stefan Lucas, Philipp Gegenwart, Oliver Stockert, Hilbert von Löhneysen und Veronika Fritsch
Signature of frustrated moments in quantum critical CePd1−xNixAl

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Florian Freund, S. C. Williams, R. D. Johnson, R. Coldea, Philipp Gegenwart und Anton Jesche
Single crystal growth from separated educts and its application to lithium transition-metal oxides

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Yoshifumi Tokiwa, Boy Piening, Hirale S. Jeevan, Sergey L. Bud'ko, Paul C. Canfield und Philipp Gegenwart
Super-heavy electron material as metallic refrigerant for adiabatic demagnetization cooling

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Akito Sakai, Kentaro Kitagawa, Kazuyuki Matsubayashi, Makoto Iwatani und Philipp Gegenwart
T/B scaling without quasiparticle mass divergence: YbCo2Ge4

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Diana Geiger, Uwe S. Pracht, Martin Dressel, Jernej Mravlje, Melanie Schneider, Philipp Gegenwart und Marc Scheffler
Terahertz conductivity of Sr1−xCaxRuO3

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M. Lorenz, M. S. Ramachandra Rao, T. Venkatesan, E. Fortunato, P. Barquinha, R. Branquinho, D. Salgueiro, R. Martins, E. Carlos, A. Liu, F. K. Shan, M. Grundmann, Hans Boschker, J. Mukherjee, M. Priyadarshini, N. DasGupta, D. J. Rogers, Ferechteh Hosseini Teherani, E. V. Sandana, P. Bove, K. Rietwyk, A. Zaban, A. Veziridis, A. Weidenkaff, M. Muralidhar, M. Murakami, S. Abel, J. Fompeyrine, J. Zuniga-Perez, R. Ramesh, N. A. Spaldin, S. Ostanin, V. Borisov, I. Mertig, V. Lazenka, G. Srinivasan, W. Prellier, M. Uchida, M. Kawasaki, R. Pentcheva, Philipp Gegenwart, F. Miletto Granozio, J. Fontcuberta und N. Pryds
The 2016 oxide electronic materials and oxide interfaces roadmap

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N. Nembrini, S. Peli, F. Banfi, G. Ferrini, Yogesh Singh, Philipp Gegenwart, R. Comin, K. Foyevtsova, A. Damascelli, A. Avella und C. Giannetti
Tracking local magnetic dynamics via high-energy charge excitations in a relativistic Mott insulator

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2015

Yoshifumi Tokiwa, Christian Stingl, Moo-Sung Kim, Toshiro Takabatake und Philipp Gegenwart
Characteristic signatures of quantum criticality driven by geometrical frustration

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S. Agrestini, Z. Hu, C.-Y. Kuo, M. W. Haverkort, K.-T. Ko, N. Hollmann, Q. Liu, E. Pellegrin, M. Valvidares, J. Herrero-Martin, P. Gargiani, Philipp Gegenwart, M. Schneider, S. Esser, A. Tanaka, A. C. Komarek und L. H. Tjeng
Electronic and spin states of SrRuO3 thin films: an x-ray magnetic circular dichroism study

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F. Lüpke, S. Manni, S. C. Erwin, I. I. Mazin, Philipp Gegenwart und M. Wenderoth
Highly unconventional surface reconstruction of Na2IrO3 with persistent energy gap

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Philipp Gegenwart und Simon Trebst
Kitaev matter

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J. Fink, A. Charnukha, E. D. L. Rienks, Z. H. Liu, S. Thirupathaiah, I. Avigo, F. Roth, Hirale S. Jeevan, Philipp Gegenwart, M. Roslova, I. Morozov, S. Wurmehl, U. Bovensiepen, S. Borisenko, Matthias Vojta und B. Büchner
Non-Fermi-liquid scattering rates and anomalous band dispersion in ferropnictides

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Philipp Gegenwart, Frank Steglich, Christoph Geibel und M. Brando
Novel types of quantum criticality in heavy-fermion systems

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K. Zhao, Christian Stingl, Rudra S. Manna, C. Q. Jin und Philipp Gegenwart
Reversible tuning of the collapsed tetragonal phase transition in CaFe2As2 by separate control of chemical pressure and electron doping

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2014

S. Nandi, W. T. Jin, Y. Xiao, Y. Su, S. Price, D. K. Shukla, J. Strempfer, H. S. Jeevan, Philipp Gegenwart und Th. Brückel
Coexistence of superconductivity and ferromagnetism in P-doped EuFe2As2

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S. Manni, Sungkyun Choi, I. I. Mazin, R. Coldea, Michaela Altmeyer, Harald O. Jeschke, Roser Valentí und Philipp Gegenwart
Effect of isoelectronic doping on the honeycomb-lattice iridate A2IrO3

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S. Manni, Yoshifumi Tokiwa und Philipp Gegenwart
Effect of nonmagnetic dilution in the honeycomb-lattice iridates Na2IrO3 and Li2IrO3

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T. Goltz, S. Kamusella, H. S. Jeevan, Philipp Gegenwart, H. Luetkens, P. Materne, J. Spehling, R. Sarkar und H.-H. Klauss
Interplay of magnetism and superconductivity in EuFe2(As1-xPx)2 single crystals probed by muon spin rotation and 57Fe Mössbauer spectroscopy

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M. Schneider, D. Geiger, S. Esser, U. S. Pracht, C. Stingl, Y. Tokiwa, V. Moshnyaga, I. Sheikin, J. Mravlje, M. Scheffler und Philipp Gegenwart
Low-energy electronic properties of clean CaRuO3: elusive Landau quasiparticles

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S. Nandi, W. T. Jin, Y. Xiao, Y. Su, S. Price, W. Schmidt, K. Schmalzl, T. Chatterji, Hirale S. Jeevan, Philipp Gegenwart und Th. Brückel
Magnetic structure of the Eu2+ moments in superconducting EuFe2(As1−xPx)2 with x=0.19

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Sven Esser, Sebastian Esser, Christian Stingl und Philipp Gegenwart
Nonlinear conductivity in CaRuO3 thin films measured by short current pulses

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Sina Zapf, Christian Stingl, Kirk W. Post, Jannis Maiwald, N. Bach, I. M. Pietsch, David Neubauer, Anja Löhle, Conrad Clauss, S. Jiang, Hirale S. Jeevan, Dimitri N. Basov, Philipp Gegenwart und Martin Dressel
Persistent detwinning of iron-pnictide EuFe2As2 crystals by small external magnetic fields

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Y. Tokiwa, J. J. Ishikawa, S. Nakatsuji und Philipp Gegenwart
Quantum criticality in a metallic spin liquid

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A. Biffin, R. D. Johnson, Sungkyun Choi, Florian Freund, S. Manni, A. Bombardi, P. Manuel, Philipp Gegenwart und R. Coldea
Unconventional magnetic order on the hyperhoneycomb Kitaev lattice inβ−Li2IrO3: full solution via magnetic resonant x-ray diffraction

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2013

J. K. Dong, Y. Tokiwa, S. L. Bud’ko, P. C. Canfield und Philipp Gegenwart
Anomalous reduction of the Lorenz ratio at the quantum critical point in YbAgGe

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I. Avigo, R. Cortés, L. Rettig, S. Thirupathaiah, H. S. Jeevan, Philipp Gegenwart, T. Wolf, M. Ligges, M. Wolf, J. Fink und U. Bovensiepen
Coherent excitations and electron–phonon coupling in Ba/EuFe2As2 compounds investigated by fem to second time- and angle-resolved photoemission spectroscopy

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H. Gretarsson, J. P. Clancy, X. Liu, J. P. Hill, Emil Bozin, Yogesh Singh, S. Manni, Philipp Gegenwart, Jungho Kim, A. H. Said, D. Casa, T. Gog, M. H. Upton, Heung-Sik Kim, J. Yu, Vamshi M. Katukuri, L. Hozoi, Jeroen van den Brink und Young-June Kim
Crystal-field splitting and correlation effect on the electronic structure of A2IrO3

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J. Sichelschmidt, H. S. Jeevan, M. Mchalwat und Philipp Gegenwart
Electron spin resonance of the Yb 4f-moment in Yb(Rh1−xFex)2Si2

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C. Stingl, R. S. Perry, Y. Maeno und Philipp Gegenwart
Electronic nematicity and its relation to quantum criticality in Sr3Ru2O7 studied by thermal expansion

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L. Rettig, R. Cortés, H. S. Jeevan, Philipp Gegenwart, T. Wolf, J. Fink und U. Bovensiepen
Electron–phonon coupling in 122Fe pnictides analyzed by femtosecond time-resolved photoemission

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S. Zapf, H. S. Jeevan, T. Ivek, F. Pfister, F. Klingert, S. Jiang, D. Wu, Philipp Gegenwart, R. K. Kremer und M. Dressel
EuFe2(As1−xPx)2: reentrant spin glass and superconductivity

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H. Singh, T. Chakraborty, D. Das, H. S. Jeevan, Y. Tokiwa, Philipp Gegenwart und C. Mitra
Experimental quantification of entanglement through heat capacity

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H. Pfau, R. Daou, S. Lausberg, H. R. Naren, M. Brando, S. Friedemann, S. Wirth, T. Westerkamp, U. Stockert, Philipp Gegenwart, C. Krellner, C. Geibel, G. Zwicknagl und F. Steglich
Interplay between Kondo suppression and lifshitz transitions in YbRh2Si2 at high magnetic fields

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H. Gretarsson, J. P. Clancy, Yogesh Singh, Philipp Gegenwart, J. P. Hill, Jungho Kim, M. H. Upton, A. H. Said, D. Casa, T. Gog und Young-June Kim
Magnetic excitation spectrum of Na2IrO3 probed with resonant inelastic x-ray scattering

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Manuel Brando, Luis Pedrero, Tanja Westerkamp, Cornelius Krellner, Philipp Gegenwart, Christoph Geibel und Frank Steglich
Magnetization study of the energy scales in YbRh2Si2 under chemical pressure

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I. I. Mazin, S. Manni, K. Foyevtsova, Harald O. Jeschke, Philipp Gegenwart und Roser Valentí
Origin of the insulating state in honeycomb iridates and rhodates

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Y. Tokiwa, M. Garst, Philipp Gegenwart, S. L. Bud’ko und P. C. Canfield
Quantum bicriticality in the heavy-fermion metamagnet YbAgGe

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R. Matysiak, Philipp Gegenwart, A. Ochiai, M. Antkowiak, G. Kamieniarz und F. Steglich
Specific heat of segmented Heisenberg quantum spin chains in (Yb1−xLux)4As3

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Yogesh Singh, Y. Tokiwa, J. Dong und Philipp Gegenwart
Spin liquid close to a quantum critical point in Na4Ir3O8

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Shuai Jiang, H. S. Jeevan, Jinkui Dong und Philipp Gegenwart
Thermopower as a sensitive probe of electronic nematicity in iron pnictides

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Vitaly A. Gasparov, A. Audouard, L. Drigo, A. I. Rodigin, C. T. Lin, W. P. Liu, M. Zhang, A. F. Wang, X. H. Chen, H. S. Jeevan, J. Maiwald und Philipp Gegenwart
Upper critical magnetic field of KxFe2-ySe2 and Eu0.5K0.5Fe2AS2 single crystals

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Y. Tokiwa, E. D. Bauer und Philipp Gegenwart
Zero-field quantum critical point in CeCoIn5

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2012

Diana Geiger, Marc Scheffler, Martin Dressel, Melanie Schneider und Philipp Gegenwart
Broadband microwave study of SrRuO3and CaRuO3 thin films

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Hans-Albrecht Krug von Nidda, S. Kraus, S. Schaile, E. Dengler, N. Pascher, Mamoun Hemmida, M. J. Eom, J. S. Kim, H. S. Jeevan, Philipp Gegenwart, Joachim Deisenhofer und Alois Loidl
Electron spin resonance in Eu-based iron pnictides

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R. Sarkar, R. Nath, P. Khuntia, H. S. Jeevan, Philipp Gegenwart und M. Baenitz
Magnetism and superconductivity in Eu0.2Sr0.8(Fe0.86Co0.14)2AS2 probed by 75As NMR

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R. Comin, G. Levy, B. Ludbrook, Z.-H. Zhu, C. N. Veenstra, J. A. Rosen, Yogesh Singh, Philipp Gegenwart, D. Stricker, J. N. Hancock, D. van der Marel, I. S. Elfimov und A. Damascelli
Na2IrO3 as a novel relativistic Mott insulator with a 340-meV gap

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A. Antal, T. Knoblauch, Y. Singh, Philipp Gegenwart, D. Wu und M. Dressel
Optical properties of the iron-pnictide analog BaMn2As2

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Y. Tokiwa, E. D. Bauer und Philipp Gegenwart
Quasiparticle entropy in the high-field superconducting phase of CeCoIn5

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Yogesh Singh, S. Manni, J. Reuther, T. Berlijn, R. Thomale, W. Ku, S. Trebst und Philipp Gegenwart
Relevance of the Heisenberg-Kitaev model for the honeycomb lattice iridates A2IrO3

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Jannis Maiwald, H. S. Jeevan und Philipp Gegenwart
Signatures of quantum criticality in hole-doped and chemically pressurized EuFe2AS2 single crystals

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S. K. Choi, R. Coldea, A. N. Kolmogorov, T. Lancaster, I. I. Mazin, S. J. Blundell, P. G. Radaelli, Yogesh Singh, Philipp Gegenwart, K. R. Choi, S.-W. Cheong, P. J. Baker, C. Stock und J. Taylor
Spin waves and revised crystal structure of honeycomb iridate Na2IrO3

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L. Rettig, R. Cortés, S. Thirupathaiah, Philipp Gegenwart, H. S. Jeevan, M. Wolf, J. Fink und U. Bovensiepen
Ultrafast momentum-dependent response of electrons in antiferromagnetic EuFe2As2 driven by optical excitation

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Y. Tokiwa, S.-H. Hübner, O. Beck, H. S. Jeevan und Philipp Gegenwart
Unique phase diagram with narrow superconducting dome in EuFe2(As1−xPx)2 due to Eu2+ local magnetic moments

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2011

S. Thirupathaiah, E. D. L. Rienks, H. S. Jeevan, R. Ovsyannikov, E. Slooten, J. Kaas, E. van Heumen, S. de Jong, H. A. Dürr, K. Siemensmeyer, R. Follath, Philipp Gegenwart, M. S. Golden und J. Fink
Dissimilarities between the electronic structure of chemically doped and chemically pressurized iron pnictides from an angle-resolved photoemission spectroscopy study

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Y. Tokiwa und Philipp Gegenwart
High-resolution alternating-field technique to determine the magnetocaloric effect of metals down to very low temperatures

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H. S. Jeevan, Deepa Kasinathan, Helge Rosner und Philipp Gegenwart
Interplay of antiferromagnetism, ferromagnetism, and superconductivity in EuFe2(As1−xPx)2 single crystals

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X. Liu, T. Berlijn, W.-G. Yin, W. Ku, A. Tsvelik, Young-June Kim, H. Gretarsson, Yogesh Singh, Philipp Gegenwart und J. P. Hill
Long-range magnetic ordering in Na2IrO3

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Y. Tokiwa, S. Grüheit, H. S. Jeevan, C. Stingl und Philipp Gegenwart
Low-temperature antiferromagnetic ordering in the heavy-fermion metal YbPd

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M. Schubert, H. S. Jeevan und Philipp Gegenwart
Low-temperature electrical resistivity of slightly Ge-doped YbRh2Si2

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D. Wu, G. Chanda, H. S. Jeevan, Philipp Gegenwart und M. Dressel
Optical investigations of chemically pressurized EuFe2(As1−xPx)2: an s-wave superconductor with strong interband interactions

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Y. Tokiwa, Philipp Gegenwart, D. Gnida und D. Kaczorowski
Quantum criticality near the upper critical field of Ce2PdIn8

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C. Stingl, R. S. Perry, Y. Maeno und Philipp Gegenwart
Symmetry-breaking lattice distortion in Sr3Ru2O7

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S. Zapf, D. Wu, L. Bogani, H. S. Jeevan, Philipp Gegenwart und M. Dressel
Varying Eu2+ magnetic order by chemical pressure in EuFe2(As1−xPx)2

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2010

C. Stingl, R. S. Perry, Y. Maeno und Philipp Gegenwart
Anisotropy of the low-temperature magnetostriction of Sr3Ru2O7

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Yogesh Singh und Philipp Gegenwart
Antiferromagnetic Mott insulating state in single crystals of the honeycomb lattice material Na2IrO3

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Philipp Gegenwart, Y. Tokiwa, J. G. Donath, R. Küchler, C. Bergmann, H. S. Jeevan, E. D. Bauer, J. L. Sarrao, C. Geibel und F. Steglich
Divergence of the Grüneisen parameter and magnetocaloric effect at heavy fermion quantum critical points

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S. de Jong, E. van Heumen, S. Thirupathaiah, R. Huisman, F. Massee, J. B. Goedkoop, R. Ovsyannikov, J. Fink, H. A. Dürr, A. Gloskovskii, H. S. Jeevan, Philipp Gegenwart, A. Erb, L. Patthey, M. Shi, R. Follath, A. Varykhalov und M. S. Golden
Droplet-like Fermi surfaces in the anti-ferromagnetic phase of EuFe2As2, an Fe-pnictide superconductor parent compound

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J. Custers, Philipp Gegenwart, C. Geibel, F. Steglich, P. Coleman und S. Paschen
Evidence for a non-Fermi-liquid phase in ge-substituted YbRh2Si2

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M. Schneider, V. Moshnyaga und Philipp Gegenwart
Ferromagnetic quantum phase transition in Sr1−xCaxRuO3 thin films

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M. Schneider, V. Moshnyaga und Philipp Gegenwart
Growth of Sr1-xCaxRuO3thin films by metalorganic aerosol deposition

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S. Friedemann, T. Westerkamp, M. Brando, N. Oeschler, Philipp Gegenwart, C. Krellner, C. Geibel, S. MaQuilon, Z. Fisk, F. Steglich und S. Wirth
Magnetic and electronic quantum criticality in YbRh2Si2

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N. Pascher, Joachim Deisenhofer, Hans-Albrecht Krug von Nidda, Mamoun Hemmida, H. S. Jeevan, Philipp Gegenwart und Alois Loidl
Magnetic fluctuations and superconductivity in iron pnictides as probed by electron spin resonance

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Y. Tokiwa, C. Geibel, F. Steglich und Philipp Gegenwart
Magnetization study on the field-induced quantum critical point in YbRh2Si2

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M. Brando, T. Westerkamp, M. Deppe, Philipp Gegenwart, C. Geibel und F. Steglich
Quantum Griffiths phase in CePd1−x Rh x with x ≈ 0.8

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J.-F. Mercure, A. W. Rost, E. C. T. O’Farrell, S. K. Goh, R. S. Perry, M. L. Sutherland, S. A. Grigera, R. A. Borzi, Philipp Gegenwart, A. S. Gibbs und A. P. Mackenzie
Quantum oscillations near the metamagnetic transition in Sr3Ru2O7

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C. Bergmann, H. S. Jeevan, M. Schubert, C. Geibel und Philipp Gegenwart
Single crystal growth of CeNi2Ge2 using the floating zone technique

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H. S. Jeevan und Philipp Gegenwart
Superconductivity and magnetism in Eu1−xKxFe2As2

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F. Steglich, J. Arndt, S. Friedemann, C. Krellner, Y. Tokiwa, T. Westerkamp, M. Brando, Philipp Gegenwart, C. Geibel, S. Wirth und O. Stockert
Superconductivity versus quantum criticality: what can we learn from heavy fermions?

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Franziska Weickert, Manuel Brando, Frank Steglich, Philipp Gegenwart und Markus Garst
Universal signatures of the metamagnetic quantum critical endpoint: application to CeRu2Si2

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2009

S. Friedemann, T. Westerkamp, M. Brando, N. Oeschler, S. Wirth, Philipp Gegenwart, C. Krellner, C. Geibel und F. Steglich
Detaching the antiferromagnetic quantum critical point from the Fermi-surface reconstruction in YbRh2Si2

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Y. Tokiwa, T. Radu, C. Geibel, F. Steglich und Philipp Gegenwart
Divergence of the magnetic Grüneisen ratio at the field-induced quantum critical point in YbRh2Si2

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D. Wu, N. Barišić, N. Drichko, S. Kaiser, A. Faridian, M. Dressel, S. Jiang, Z. Ren, L. J. Li, G. H. Cao, Z. A. Xu, H. S. Jeevan und Philipp Gegenwart
Effects of magnetic ordering on dynamical conductivity: optical investigations of EuFe2As2 single crystals

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C. F. Miclea, M. Nicklas, H. S. Jeevan, D. Kasinathan, Z. Hossain, H. Rosner, Philipp Gegenwart, C. Geibel und F. Steglich
Evidence for a reentrant superconducting state in EuFe2As2 under pressure

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Ludwig Peyker, Christian Gold, Ernst-Wilhelm Scheidt, Wolfgang Scherer, J. G. Donath, Philipp Gegenwart, Franz Mayr, T. Unruh, Volker Eyert, E. Bauer und H. Michor
Evolution of quantum criticality in CeNi9−xCuxGe4

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R. Matysiak, G. Kamieniarz, Philipp Gegenwart und A. Ochiai
Field-dependent specific heat of Yb4As3: agreement between a spin-1/2 model and experiment

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T. Westerkamp, M. Deppe, R. Küchler, M. Brando, C. Geibel, Philipp Gegenwart, A. P. Pikul und F. Steglich
Kondo-cluster-glass state near a ferromagnetic quantum phase transition

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V. A. Gasparov, H. S. Jeevan und Philipp Gegenwart
Normal-state electrical resistivity and superconducting magnetic penetration depth in Eu0.5K0.5Fe2As2 polycrystals

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J. G. Donath, F. Steglich, E. D. Bauer, F. Ronning, J. L. Sarrao und Philipp Gegenwart
Quantum criticality in layered CeRhIn5-xSnx compared with cubic CeIn3-xSnx

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J.-F. Mercure, S. K. Goh, E. C. T. O’Farrell, R. S. Perry, M. L. Sutherland, A. W. Rost, S. A. Grigera, R. A. Borzi, Philipp Gegenwart und A. P. Mackenzie
Quantum oscillations in the anomalous phase in Sr3Ru2O7

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Yoshi Tokiwa, Philipp Gegenwart, Christoph Geibel und Frank Steglich
Separation of energy scales in undoped YbRh2Si2 under hydrostatic pressure

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2008

J. G. Donath, F. Steglich, E. D. Bauer, J. L. Sarrao und Philipp Gegenwart
Dimensional crossover of quantum critical behavior in CeCoIn5

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H. S. Jeevan, Z. Hossain, Deepa Kasinathan, H. Rosner, C. Geibel und Philipp Gegenwart
Electrical resistivity and specific heat of single-crystalline EuFe2As2: a magnetic homologue of SrFe2As2

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H. S. Jeevan, Z. Hossain, Deepa Kasinathan, H. Rosner, C. Geibel und Philipp Gegenwart
High-temperature superconductivity in Eu0.5K0.5Fe2As2

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T. Westerkamp, Philipp Gegenwart, C. Krellner, C. Geibel und F. Steglich
Low-temperature magnetic susceptibility of Yb(Rh1-xMx)2Si2 (M = Ir, Co) single crystals

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J. G. Donath, Philipp Gegenwart, M. Nicklas, F. Steglich, L. D. Pham und Z. Fisk
Pressure dependence of the Néel and the superconducting transition temperature of CeCo(In0.9Cd0.1)5 studied by thermal expansion

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Philipp Gegenwart, Qimiao Si und Frank Steglich
Quantum criticality in heavy-fermion metals

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Philipp Gegenwart, T. Westerkamp, C. Krellner, M. Brando, Y. Tokiwa, C. Geibel und F. Steglich
Unconventional quantum criticality in YbRh2Si2

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2007

F. Weickert, Philipp Gegenwart, R.S. Perry und Y. Maeno
Alternating-field magnetoresistance measurements on Sr3Ru2O7

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J. G. Sereni, T. Westerkamp, R. Küchler, N. Caroca-Canales, Philipp Gegenwart und C. Geibel
Ferromagnetic quantum criticality in the alloy CePd1−xRhx

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Teodora Radu, Yoshifumi Tokiwa, Radu Coldea, Philipp Gegenwart, Z. Tylczynski und Frank Steglich
Field induced magnetic phase transition as a magnon Bose Einstein condensation

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R. Matysiak, G. Kamieniarz, Philipp Gegenwart, H. Aoki und A. Ochiai
Field-dependent specific-heat of the pure and diluted 4f electron system Yb4As3

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Philipp Gegenwart, T. Westerkamp, C. Krellner, Y. Tokiwa, S. Paschen, C. Geibel, F. Steglich, E. Abrahams und Q. Si
Multiple energy scales at a quantum critical point

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J.G. Donath, Philipp Gegenwart, F. Steglich, E.D. Bauer und J.L. Sarrao
Pressure effect on antiferromagnetism in CeRhIn5−xSnx studied by thermal expansion

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R. Küchler, Philipp Gegenwart, C. Geibel und F. Steglich
Systematic study of the Grüneisen ratio near quantum critical points

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2006

Philipp Gegenwart, Y. Tokiwa, T. Westerkamp, F. Weickert, J. Custers, J. Ferstl, C. Krellner, C. Geibel, P. Kerschl, K.-H. Müller und F. Steglich
High-field phase diagram of the heavy-fermion metal YbRh2Si2

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Franziska Weickert, Philipp Gegenwart, Hyekyung Won, David Parker und Kazumi Maki
In-plane angular dependence of the upper critical field in CeCoIn5

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F. Weickert, Philipp Gegenwart, J. Ferstl, C. Geibel und F. Steglich
Low-temperature electrical resistivity of Yb1-xLaxRh2Si2

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Y. Tokiwa, Philipp Gegenwart, Z. Hossain, J. Ferstl, G. Sparn, C. Geibel und F. Steglich
Low-temperature high-field magnetization of YbRh2Si2 and YbIr2Si2 under hydrostatic pressure

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Philipp Gegenwart, F. Weickert, R. S. Perry und Y. Maeno
Low-temperature magnetostriction of Sr3Ru2O7

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Z. Hossain, C. Geibel, T. Radu, Y. Tokiwa, F. Weickert, C. Krellner, H. Jeevan, Philipp Gegenwart und F. Steglich
Low-temperature properties of the heavy fermion system YbIr2Si2

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Y. Tokiwa, A. Pikul, Philipp Gegenwart, F. Steglich, S. L. Bud’ko und P. C. Canfield
Low-temperature thermodynamic properties of the heavy-fermion compound YbAgGe close to the field-induced quantum critical point

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Philipp Gegenwart, Y. Tokiwa, J. Custers, C. Geibel und F. Steglich
Magnetic properties close to the quantum critical point in YbRh2Si2

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Philipp Gegenwart, F. Weickert, M. Garst, R. S. Perry und Y. Maeno
Metamagnetic quantum criticality in Sr3Ru2O7 studied by thermal expansion

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A. P. Pikul, N. Caroca-Canales, M. Deppe, Philipp Gegenwart, J. G. Sereni, C. Geibel und F. Steglich
Non-Fermi-liquid behaviour close to the disappearance of ferromagnetism in CePd1−xRhx

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J. G. Donath, Philipp Gegenwart, R. Küchler, N. Oeschler, F. Steglich, E. D. Bauer und J. L. Sarrao
Pressure effect on superconductivity in studied by thermal expansion

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R. Küchler, Philipp Gegenwart, J. Custers, O. Stockert, N. Caroca-Canales, C. Geibel, J. G. Sereni und F. Steglich
Quantum criticality in the cubic heavy-fermion system CeIn3−xSnx

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R. Küchler, Philipp Gegenwart, F. Weickert, N. Oeschler, T. Cichorek, M. Nicklas, N. Carocca-Canales, C. Geibel und F. Steglich
Thermal expansion and Grüneisen ratio near quantum critical points

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Niels Oeschler, Micha Deppe, Philipp Gegenwart, Christoph Geibel und Frank Steglich
Thermal expansion of CeCu2(Si1−xGex)2

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2005

Philipp Gegenwart, J. Custers, Y. Tokiwa, C. Geibel und F. Steglich
Ferromagnetic quantum critical fluctuations in YbRh2(Si0.95Ge0.05)2

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G. Kamieniarz, R. Matysiak, Philipp Gegenwart, H. Aoki und A. Ochiai
Field-dependent specific heat and magnetization for the S=12 antiferromagnetic chain Yb4As3: simulation and experiments

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Y. Tokiwa, Philipp Gegenwart, T. Radu, J. Ferstl, G. Sparn, C. Geibel und F. Steglich
Field-induced suppression of the heavy-fermion state in YbRh2Si2

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N. Oeschler, M. Deppe, E. Lengyel, R. Borth, Philipp Gegenwart, G. Sparn, C. Geibel und F. Steglich
Magnetic phase diagram of CeCu2(Si1−xGex)2 measured with low-temperature thermal expansion

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Y. Tokiwa, Philipp Gegenwart, G. Sparn, J. Ferstl, C. Geibel und F. Steglich
Pressure dependence of the low-temperature magnetization of YbRh2Si2

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Philipp Gegenwart, Y. Tokiwa, K. Neumaier, C. Geibel und F. Steglich
Scaling of the magnetic entropy and magnetization in YbRh2(Si0.95Ge0.05)2

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F. Weickert, Philipp Gegenwart, J. A. Mydosh, F. Steglich, C. Kanadani, Y. Tabata, T. Taniguchi und S. Kawarazaki
Search for a quantum critical end-point in CeRu2(Si1-xGex)2

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Julia Ferstl, Christoph Geibel, Franziska Weickert, Philipp Gegenwart, Teodora Radu, Thomas Lühmann und Frank Steglich
Tuning YbRh2Si2 to a non-magnetic state by La-doping

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T. Cichorek, A. Sanchez, Philipp Gegenwart, F. Weickert, A. Wojakowski, Z. Henkie, G. Auffermann, S. Paschen, R. Kniep und F. Steglich
Two-channel Kondo effect in glasslike ThAsSe

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Z. Hossain, C. Geibel, F. Weickert, T. Radu, Y. Tokiwa, H. Jeevan, Philipp Gegenwart und F. Steglich
Yb-based heavy-fermion metal situated close to a quantum critical point

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2004

R. Matysiak, G. Kamieniarz, Philipp Gegenwart und F. Steglich
Antiferromagnetic interactions in the semimetallic Yb4As3: field-dependent specific heat and magnetization data

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N. Oeschler, Philipp Gegenwart, F. Weickert, I. Zerec, P. Thalmeier, F. Steglich, E. D. Bauer, N. A. Frederick und M. B. Maple
B−T phase diagram of PrOs4Sb12 studied by low-temperature thermal expansion and magnetostriction

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S. A. Grigera, Philipp Gegenwart, R. A. Borzi, F. Weickert, A. J. Schofield, R. S. Perry, T. Tayama, T. Sakakibara, Y. Maeno, A. G. Green und A. P. Mackenzie
Disorder-sensitive phase formation linked to metamagnetic quantum criticality

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R. Küchler, Philipp Gegenwart, Karsten Heuser, Ernst-Wilhelm Scheidt, Gregory R. Stewart und Frank Steglich
Grüneisen Ratio divergence at the quantum critical point in CeCu6-xAgx

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S. Paschen, T. Lühmann, S. Wirth, Philipp Gegenwart, O. Trovarelli, C. Geibel, F. Steglich, P. Coleman und Q. Si
Hall-effect evolution across a heavy-fermion quantum critical point

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R. Küchler, F. Weickert, Philipp Gegenwart, N. Oeschler, J. Ferstl, C. Geibel und F. Steglich
Low-temperature thermal expansion and magnetostriction of YbRh2(Si1−xGex)2 (x=0 and 0.05)

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Philipp Gegenwart, C. Langhammer, R. Helfrich, N. Oeschler, M. Lang, J. S. Kim, G. R. Stewart und F. Steglich
Non-Fermi liquid normal state of the heavy-fermion superconductor UBe13

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Y. Tokiwa, Philipp Gegenwart, F. Weickert, R. Küchler, J. Custers, J. Ferstl, C. Geibel und F. Steglich
Suppression of the Kondo state in YbRh2Si2 by large magnetic fields

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T. Cichorek, Z. Henkie, J. Custers, Philipp Gegenwart und F. Steglich
TLS Kondo effect in structurally disordered ThAsSe

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Hyekyung Won, Kazumi Maki, Stephan Haas, Niels Oeschler, Franziska Weickert und Philipp Gegenwart
Upper critical field and Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn5

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2003

R. Küchler, N. Oeschler, Philipp Gegenwart, T. Cichorek, K. Neumaier, O. Tegus, C. Geibel, J. A. Mydosh, F. Steglich, L. Zhu und Q. Si
Divergence of the Grüneisen ratio at quantum critical points in heavy fermion metals

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Philipp Gegenwart, J. Custers, T. Tayama, K. Tenya, C. Geibel, O. Trovarelli, F. Steglich und K. Neumair
Divergence of the heavy quasiparticle mass at the antiferromagnetic quantum critical point in YbRh2Si2

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K. Tenya, N. Oeschler, Philipp Gegenwart, F. Steglich, N. A. Frederick, E. D. Bauer und M. B. Maple
Low temperature magnetization of the skutterudite superconductor PrOs4Sb12

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T. Cichorek, C. Geibel, N. Carocca-Canales, T. Lühmann, Philipp Gegenwart und F. Steglich
Low-temperature specific heat of slightly off-stoichiometric CeNi2Ge2

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Philipp Gegenwart, J. Custers, T. Cichorek, N. Caroca-Canales, O. Stockert, C. Geibel, F. Steglich, P. Pedrazzini und J. G. Sereni
Non-Fermi liquid effects close to a QCP in CeIn3-xSnx

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D. Kaczorowski, A. Leithe-Jasper, T. Cichorek, K. Tenya, J. Custers, Philipp Gegenwart und Yu Grin
Possible heavy-fermion behavior in a Heusler-type compound YbPd2Sb

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J. Custers, Philipp Gegenwart, K. Neumaier, H. Wilhelm, N. Oeschler, K. Ishida, Y. Kitaoka, C. Geibel und F. Steglich
Quantum criticality in YbRh2Si2

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F. Steglich, Philipp Gegenwart, K. Neumaier, N. K. Sato, N. Aso, J. Custers, H. Wilhelm, C. Geibel und O. Trovarelli
Recent trends in heavy-fermion physics

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Tomasz Cichorek, Hidekazu Aoki, Jeroen Custers, Philipp Gegenwart, Frank Steglich, Zygmunt Henkie, Eric D. Bauer und M. Brian Maple
ThAsSe diamagnet: evidence for a Kondo effect derived from structural two-level systems

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J. Custers, Philipp Gegenwart, H. Wilhelm, K. Neumaier, Y. Tokiwa, O. Trovarelli, C. Geibel, F. Steglich, C. Pépin und P. Coleman
The break-up of heavy electrons at a quantum critical point

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R. Matysiak, G. Kamieniarz, Philipp Gegenwart, H. Aoki, A. Ochiai und F. Steglich
The semimetallic S=1/2 antiferromagnetic chain Yb4As3: quantum transfer-matrix simulations and experimental field-dependent specific-heat data

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N. Oeschler, Philipp Gegenwart, F. Steglich, N. A. Frederick, E. D. Bauer und M. B. Maple
Thermal expansion of the skutterudite superconductor PrOs4Sb12

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Philipp Gegenwart, J. Custers, T. Tayama, K. Tenya, C. Geibel, G. Sparn, N. Harrison, P. Kerschl, D. Eckert, K.-H. Müller und F. Steglich
Tuning heavy fermion systems into quantum criticality by magnetic field

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N. Oeschler, Philipp Gegenwart, M. Lang, R. Movshovich, J.  L. Sarrao, J.  D. Thompson und F. Steglich
Uniaxial pressure effects on CeIrIn5 and CeCoIn5 studied by low-temperature thermal expansion

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2002

Burkhard Schmidt, Hidekazu Aoki, Tomasz Cichorek, Philipp Gegenwart, Akira Ochiai und Frank Steglich
Charge ordering and one dimensional magnetism in Yb4As3

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O. Trovarelli, J. Custers, Philipp Gegenwart, C. Geibel, P. Hinze, S. Mederle, G. Sparn und F. Steglich
Effect of Ge-doping and pressure in the vicinity of the QCP of YbRh2Si2

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A. Bianchi, R. Movshovich, N. Oeschler, Philipp Gegenwart, F. Steglich, J. D. Thompson, P. G. Pagliuso und J. L. Sarrao
First-order superconducting phase transition in CeCoIn5

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G. Fuchs, K.-H. Müller, J. Freudenberger, K. Nenkov, S.-L. Drechsler, S. V. Shulga, D. Lipp, A. Gladun, T. Cichorek und Philipp Gegenwart
Influence of disorder on superconductivity in non-magnetic rare-earth nickel borocarbides

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Hidekazu Aoki, Tomasz Cichorek, Philipp Gegenwart, Jeroen Custers, Michael Lang, Akira Ochiai und Frank Steglich
Influence of interchain-coupling effects on the low-T properties of the one-dimensional S=1/2 Heisenberg antiferromagnet Yb4As3

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T. Cichorek, Z. Henkie, A. Wojakowski, A. Pietraszko, Philipp Gegenwart, M. Lang und F. Steglich
Low-temperature specific heat for off- and near-stoichiometric UAsSe

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T. Cichorek, H. Aoki, Philipp Gegenwart, M. Lang, A. Ochiai und F. Steglich
Low-temperature specific heat of non-charge ordered Yb4(As0.36Sb0.64)3 and (Yb0.87Lu0.13)4As3

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Philipp Gegenwart, J. Custers, C. Geibel, K. Neumaier, T. Tayama, K. Tenya, O. Trovarelli und F. Steglich
Magnetic-field induced quantum critical point in YbRh2Si2

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Philipp Gegenwart, H. Aoki, T. Cichorek, J. Custers, M. Jaime, A. Ochiai und F. Steglich
Magnetotransport of the low-carrier density one-dimensional S=1/2 antiferromagnet Yb4As3

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D. Lipp, M. Schneider, A. Gladun, S.-L. Drechsler, J. Freudenberger, G. Fuchs, K. Nenkov, K.-H. Müller, T. Cichorek und Philipp Gegenwart
Specific heat and disorder in the mixed state of non-magnetic borocarbides

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Erratum published at: https://iopscience.iop.org/article/10.1209/epl/i2002-00106-9

M. Kohgi, K. Iwasa, J.-M. Mignot, B. Fåk, A. Hiess, Philipp Gegenwart, M. Lang, A. Ochiai, H. Aoki und T. Suzuki
Spin excitations of the one-dimensional S=1/2 Heisenberg antiferromagnet Yb4As3 under magnetic field

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Philipp Gegenwart, H. Aoki, T. Cichorek, J. Custers, N. Harrison, M. Jaime, M. Lang, A. Ochiai und F. Steglich
Thermodynamic and transport properties of the one-dimensional S=1/2 antiferromagnet Yb4As3

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M. Lang, S. Zherlitsyn, B. Wolf, H. Aoki, T. Cichorek, Philipp Gegenwart, B. Schmidt, F. Steglich und A. Ochiai
Thermodynamic studies of the field-induced gap in the quasi-one-dimensional S=1/2 antiferromagnet Yb4as3

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2001

T. Cichorek, Z. Henkie, Philipp Gegenwart, M. Lang, A. Wojakowski, M. Dischner und F. Steglich
A non-magnetic Kondo effect in UAsSe ferromagnet?

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Z. Hossain, T. Takabatake, C. Geibel, Philipp Gegenwart, I. Oguro und F. Steglich
Evidence for low-dimensional magnetic behaviour in CePt5Ge3

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B. Schmidt, H. Aoki, T. Cichorek, J. Custers, Philipp Gegenwart, M. Kohgi, M. Lang, C. Langhammer, A. Ochiai, S. Paschen, F. Steglich, T. Suzuki, P. Thalmeier, B. Wand und A. Yaresko
Low-energy excitations of the semimetallic one-dimensional S=1/2 antiferromagnet Yb4As3

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Philipp Gegenwart, J. Custers, C. Geibel, F. Steglich, T. Tayama, O. Trovarelli und N. Harrison
Low-temperature magnetic and transport properties of the clean NFL system YbRh2(Si1−xGex)2

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Philipp Gegenwart, T. Cichorek, J. Custers, M. Lang, H. Aoki, A. Ochiai und F. Steglich
Low-temperature resistivity and susceptibility of the low-carrier density, one-dimensional S=12 antiferromagnet Yb4As3

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Masahumi Kohgi, Kazuaki Iwasa, Jean-Michel Mignot, Björn Fåk, Philipp Gegenwart, Michael Lang, Akira Ochiai, Hidekazu Aoki und Takashi Suzuki
Staggered field effect on the one-dimensional S=1/2 antiferromagnet Yb4As3

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F. Steglich, Philipp Gegenwart, C. Geibel, P. Hinze, M. Lang, C. Langhammer, G. Sparn, T. Tayama, O. Trovarelli, N. Sato, T. Dahm und G. Varelogiannis
Superconductivity and magnetism in heavy-fermions

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2000

M. Lang, M. Köppen, Philipp Gegenwart, T. Cichorek, P. Thalmeier, F. Steglich und A. Ochiai
Evidence for magnons and solitons in the one-dimensional antiferromagnet Yb4As3

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Philipp Gegenwart, P. Hinze, C. Geibel, M. Lang und F. Steglich
Incipient superconductivity and NFL behavior in off-stoichiometric Ce1+xNi2+yGe2+z polycrystals

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F. Steglich, M. Köppen, Philipp Gegenwart, T. Cichorek, B. Wand, M. Lang, P. Thalmeier, B. Schmidt, H. Aoki und A. Ochiai
Magnon and soliton excitations in the carrier-poor, one-dimensional S=1/2 antiferromagnet Yb4As3

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O. Trovarelli, C. Geibel, C. Langhammer, S. Mederle, Philipp Gegenwart, F. M. Grosche, M. Lang, G. Sparn und F. Steglich
Non-Fermi-liquid effects at ambient pressure in the stoichiometric heavy-fermion compound YbRh2Si2

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F. Steglich, Philipp Gegenwart, C. Geibel, P. Hinze, M. Lang, C. Langhammer, G. Sparn und O. Trovarelli
Non-Fermi-liquid effects in stoichiometric 4f-electron metals at ambient pressure

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Philipp Gegenwart, F. Steglich, P. Hinze, C. Langhammer, C. Geibel, Marieluise Lang und G. Sparn
On the relationship of magnetism and superconductivity in materials containing partially filled f shells

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S.-L. Drechsler, H. Rosner, S. V. Shulga, H. Eschrig, J. Freudenberger, G. Fuchs, K. Nenkov, K.-H. Müller, D. Lipp, A. Gladun, A. Kreyssig, K. Koepernik, Philipp Gegenwart und T. Cichorek
Superconductivity in clean and disordered nonmagnetic borocarbides

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F. Steglich, N. Sato, T. Tayama, T. Lühmann, C. Langhammer, Philipp Gegenwart, P. Hinze, C. Geibel, M. Lang, G. Sparn und W. Assmus
Unconventional normal-state properties and superconductivity in heavy-fermion metals

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O. Trovarelli, C. Geibel, S. Mederle, C. Langhammer, F. M. Grosche, Philipp Gegenwart, M. Lang, G. Sparn und F. Steglich
YbRh2Si2: pronounced non-Fermi-liquid effects above a low-lying magnetic phase transition

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1999

Philipp Gegenwart, M. Lang, A. Link, G. Sparn, C. Geibel, F. Steglich und W. Assmus
Evidence for an antiferromagnetic quantum critical point near stoichiometric CeCu2Si2

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M. Lang, Philipp Gegenwart, R. Helfrich, M. Köppen, F. Kromer, C. Langhammer, C. Geibel, F. Steglich, J. S. Kim und G. R. Stewart
Non-Fermi-liquid properties and exotic superconductivity in CeCu2Si2 and (UTh)Be13

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Philipp Gegenwart, F. Kromer, M. Lang, G. Sparn, C. Geibel und F. Steglich
Non-fermi-liquid effects at ambient pressure in a stoichiometric heavy-fermion compound with very low disorder: CeNi2Ge2

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1998

Philipp Gegenwart, C. Langhammer, C. Geibel, R. Helfrich, M. Lang, G. Sparn, F. Steglich, R. Horn, L. Donnevert, A. Link und W. Assmus
Breakup of heavy fermions on the brink of "phase A" in CeCu2Si2

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F. Steglich, C. Geibel, R. Helfrich, F. Kromer, M. Lang, G. Sparn, Philipp Gegenwart, L. Donnevert, C. Langhammer, A. Link, J. S. Kim und G. R. Stewart
CeCu2Si2 and UBe13: new questions - old answers?

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1997

F. Steglich, P. Hellmann, S. Thomas, Philipp Gegenwart, A. Link, R. Helfrich, G. Sparn, M. Lang, C. Geibel und W. Assmus
"Non-Fermi-liquid" phenomena in heavy-fermion CeCu2Si2 and CeNi2Ge2

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O. Trovarelli, M. Weiden, R. Müller-Reisener, M. Gómez-Berisso, Philipp Gegenwart, M. Deppe, C. Geibel, J. G. Sereni und F. Steglich
Evolution of magnetism and superconductivity in CeCu2(Si1−xGex)2

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M. Tachiki, S. Takahashi, Philipp Gegenwart, M. Weiden, M. Lang, C. Geibel, F. Steglich, R. Modler, C. Paulsen und Y. Ōnuki
Generalized Fulde-Ferrell-Larkin-Ovchinnikov state in heavy-fermion and intermediate-valence systems

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Philipp Gegenwart, M. Lohmann, M. Lang, R. Helfrich, C. Langhammer, M. Köppen, C. Geibel, F. Steglich und W. Assmus
Non-Fermi-liquid behavior in CeCu2Si2 at the disappearance of the presumably magnetically ordered 'A-phase'

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1996

Philipp Gegenwart, M. Deppe, M. Köppen, F. Kromer, M. Lang, R. Modler, M. Weiden, C. Geibel, F. Steglich, T. Fukase und N. Toyota
Anomalous peak effect in heavy-fermion, intermediate-valence and A15 superconductors: evidence for a Fulde-Ferrell-Larkin-Ovchinnikov state?

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Y. Ōnuki, M. Hedo, Y. Inada, R. Settai, H. Sugawara, Y. Aoki, H. Sato, M. Deppe, Philipp Gegenwart, C. Geibeld, M. Lang, T. Lühmann, R. Modler, M. Weiden, F. Steglich, C. Paulsen, J. L. Tholence, N. Sato, T. Komatsubara, M. Tachiki und S. Takahashi
Anomalous pinning in superconductors with strong Pauli paramagnetism

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F. Steglich, Philipp Gegenwart, R. Helfrich, C. Langhammer, P. Hellmann, L. Donnevert, C. Geibel, M. Lang, G. Sparn, W. Assmus, G. R. Stewart und A. Ochiai
Are heavy-fermion metals Fermi liquids?

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F. Steglich, R. Modler, Philipp Gegenwart, M. Deppe, M. Weiden, M. Lang, C. Geibel, T. Lühmann, C. Paulsen, J.L. Tholence, Y. Ōnuki, M. Tachiki und S. Takahashi
Experimental evidence for a generalized FFLO state in clean type-II superconductors with short coherence length and enhanced Pauli susceptibility

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R. Modler, Philipp Gegenwart, M. Lang, M. Deppe, M. Weiden, T. Lühmann, C. Geibel, F. Steglich, C. Paulsen, J. L. Tholence, N. Sato, T. Komatsubara, Y. Ōnuki, M. Tachiki und S. Takahashi
First-order transition between weak and strong pinning in clean superconductors with enhanced spin susceptibility

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M. Huth, S. Reber, C. Heske, P. Schicketanz, J. Hessert, Philipp Gegenwart und H. Adrian
Growth characteristics of sputter-deposited UPt3 thin films

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Frank Steglich, Philipp Gegenwart, Christoph Geibel, R. Helfrich, P. Hellmann, M. Lang, A. Link, R. Modler, G. Sparn, Norbert Büttgen und Alois Loidl
New observations concerning magnetism and superconductivity in heavy-fermion metals

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F. Steglich, B. Buschinger, Philipp Gegenwart, M. Lohmann, R. Helfrich, C. Langhammer, P. Hellmann, L. Donnevert, S. Thomas, A. Link, C. Geibel, M. Lang, G. Sparn und W. Assmus
Quantum critical phenomena in undoped heavy-fermion metals

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Michael Huth, Jan Hessert, Stefan Reber, Martin Jourdan, Philipp Gegenwart und Hermann Adrian
Strain induced renormalization of transport properties in UPt3 thin films

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F. Thomas, B. Wand, T. Lühmann, Philipp Gegenwart, G. R. Stewart, F. Steglich, J. P. Brison, A. Buzdin, L. Glémot und J. Flouquet
Strong coupling effects on the upper critical field of the heavy-fermion superconductor UBe13

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S. Takahashi, M. Tachiki, R. Modler, Philipp Gegenwart, M. Lang und F. Steglich
Theory of a generalized Fulde-Ferrell-Larkin-Ovchinnikov state in heavy fermion and intermediate-valence superconductors

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1995

Frank Steglich, Christoph Geibel, Robert Modler, Michael Lang, Peter Hellmann und Philipp Gegenwart
Classification of strongly correlated f-electron systems

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1994

T. Lühmann, Philipp Gegenwart, P. H. P. Reinders, C. Geibel, F. Steglich, C. Paulsen und J. L. Tholence
Anomalous pinning near Hc2 in the heavy fermion superconductor UPd2Al3 studied by magnetic measurements

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C. Geibel, C. Schank, F. Jährling, B. Buschinger, A. Grauel, T. Lühmann, Philipp Gegenwart, R. Helfrich, P.H.P. Reinders und F. Steglich
Doping effects on UPd2Al3

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C. Geibel, B. Buschinger, C. Schank, T. Lühmann, Philipp Gegenwart, M. Weiden und F. Steglich
Impurities in a superconductor with a highly anisotropic gap: universal correlation between the residual resistivity and Tc in doped UPd2Al3

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