Dr. Daniel Braak
| Phone: | +49-(0)-821-598-3710 | 
| Email: | daniel.braak@uni-auni-a.de () | 
| Room: | 445 (S) | 
| Address: | Universitätsstraße 1 (Physik Süd), 86159 Augsburg | 
DFG group leader
Principal Investigator of the research project "Exact solutions of strongly interacting models of quantum optics", supported by Deutsche Forschungsgemeinschaft (DFG), project number 439943572.
Research Interests
- strong light-matter interaction
 - integrable systems; definitions of quantum integrability
 - quantum mechanics in Hilbert spaces of analytic functions; spectral theory
 - topological properties of condensed matter
 - quantum thermodynamics
 
Selected Publications
- Daniel Braak, Spectral determinant of the two‐photon quantum Rabi model, Annalen der Physik 535, 2200519 (2023)
 - Cid Reyes-Bustos, Daniel Braak und Masato Wakayama, Remarks on the hidden symmetry of the asymmetric quantum Rabi model, Journal of Physics A: Mathematical and Theoretical 54, 285202 (2021)
 - Daniel Braak und Jochen Mannhart, Fermi's golden rule and the second law of thermodynamics, Foundations of Physics 50, 1509 (2020)
 - Florian Loder, Arno P. Kampf, Thilo Kopp und Daniel Braak, Momentum-space spin texture in a topological superconductor, Physical Review B 96, 024508 (2017)
 - Daniel Braak, J. M. Zhang und Marcus Kollar, Integrability and weak diffraction in a two-particle Bose–Hubbard model, Journal of Physics A: Mathematical and Theoretical 47, 465303 (2014)
 - Daniel Braak, Solution of the Dicke model for N=3, Journal of Physics B: Atomic, Molecular and Optical Physics 46, 224007 (2013)
 - Daniel Braak, Integrability of the Rabi model, Physical Review Letters 107, 100401 (2011)
 - Daniel Braak, Conductivity of a quasiperiodic system in two and three dimensions, Physical Review B 75, 081102(R) (2007)
 
Publications
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      2025  | 
   
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    Zu‐Jian Ying, Hang‐Hang Han, Bo‐Jian Li, Simone Felicetti und Daniel Braak
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    Jiong Li, Daniel Braak und Qing-Hu Chen
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      2024  | 
   
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    Daniel Braak, Lei Cong, Hans-Peter Eckle, Henrik Johannesson und Elinor K. Twyeffort
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      2023  | 
   
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    Daniel Braak
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      2022  | 
   
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    Daniel Braak, Murray T. Batchelor und Qing-Hu Chen
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    Zu-Jian Ying, Simone Felicetti, Gang Liu und Daniel Braak
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    Stefan Gorol, Florian Loder, Daniel Braak, Arno P. Kampf und Thilo Kopp
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      2021  | 
   
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    Philipp Bredol, Hans Boschker, Daniel Braak und Jochen Mannhart
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    Xiang-You Chen, Liwei Duan, Daniel Braak und Qing-Hu Chen
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    Cid Reyes-Bustos, Daniel Braak und Masato Wakayama
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      2020  | 
   
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    Daniel Braak und Jochen Mannhart
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      2019  | 
   
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    Patrick Seiler, Elias Lettl, Daniel Braak und Thilo Kopp
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    Jochen Mannhart und Daniel Braak
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    Jochen Mannhart, Philipp Bredol und Daniel Braak
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    Aram Manaselyan, Wenchen Luo, Daniel Braak und Tapash Chakraborty
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    Daniel Braak
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    Patrick Seiler, Elias Lettl, Daniel Braak und Thilo Kopp
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      2018  | 
   
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    Patrick Seiler, Jone Zabaleta, Robin Wanke, Jochen Mannhart, Thilo Kopp und Daniel Braak
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      2017  | 
   
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    M. Sanz, Daniel Braak, E. Solano und I. L. Egusquiza
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    Florian Loder, Arno P. Kampf, Thilo Kopp und Daniel Braak
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      2016  | 
   
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    Daniel Braak
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    Daniel Braak, Qing-Hu Chen, Murray T. Batchelor und Enrique Solano
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    Liwei Duan, You-Fei Xie, Daniel Braak und Qing-Hu Chen
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      2015  | 
   
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    Liwei Duan, Shu He, Daniel Braak und Qing-Hu Chen
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    S. Felicetti, J. S. Pedernales, I. L. Egusquiza, G. Romero, L. Lamata, Daniel Braak und E. Solano
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      2014  | 
   
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    Daniel Braak, J. M. Zhang und Marcus Kollar
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    Jie Peng, Zhongzhou Ren, Daniel Braak, Guangjie Guo, Guoxing Ju, Xin Zhang und Xiaoyong Guo
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      2013  | 
   
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    Daniel Braak
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    J. M. Zhang, Daniel Braak und Marcus Kollar
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    Daniel Braak
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    F. A. Wolf, F. Vallone, G. Romero, Marcus Kollar, E. Solano und Daniel Braak
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    Daniel Braak
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      2012  | 
   
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    J. M. Zhang, Daniel Braak und Marcus Kollar
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    F. Alexander Wolf, Marcus Kollar und Daniel Braak
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      2011  | 
   
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    Daniel Braak
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      2007  | 
   
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    Daniel Braak
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      2005  | 
   
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    Joachim Deisenhofer, Daniel Braak, Hans-Albrecht Krug von Nidda, Joachim Hemberger, R. M. Eremina, V. A. Ivanshin, A. M. Balbashov, G. Jug, T. Kimura, Yoshinori Tokura und Alois Loidl
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      2002  | 
   
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    Frieder Kalisch und Daniel Braak
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      2001  | 
   
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    Daniel Braak und Natan Andrei
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      1999  | 
   
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    Daniel Braak und Natan Andrei
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      1994  | 
   
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    Daniel Braak, F. Sievers und Klaus G. Ziegler
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      1993  | 
   
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    Daniel Braak
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