Dr. Daniel Braak

DFG group leader
Theoretical Physics III
Phone: +49-(0)-821-598-3710
Email:
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

 

Publications

2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2007 | 2005 | 2002 | 2001 | 1999 | 1994 | 1993

2023

Daniel Braak
Spectral determinant of the two‐photon quantum Rabi model

PDF | BibTeX | RIS | DOI

2022

Daniel Braak, Murray T. Batchelor und Qing-Hu Chen
Comment on 'Parameter-dependent unitary transformation approach for quantum Rabi model'

PDF | BibTeX | RIS | DOI

Zu-Jian Ying, Simone Felicetti, Gang Liu und Daniel Braak
Critical quantum metrology in the non-linear quantum Rabi model

PDF | BibTeX | RIS | DOI

Stefan Gorol, Florian Loder, Daniel Braak, Arno P. Kampf und Thilo Kopp
Signatures of topological phase transitions in the S‐Wave superconductor at finite temperature

PDF | BibTeX | RIS | DOI

2021

Philipp Bredol, Hans Boschker, Daniel Braak und Jochen Mannhart
Decoherence effects break reciprocity in matter transport

PDF | BibTeX | RIS | DOI

Xiang-You Chen, Liwei Duan, Daniel Braak und Qing-Hu Chen
Multiple ground-state instabilities in the anisotropic quantum Rabi model

BibTeX | RIS | DOI | URL

Cid Reyes-Bustos, Daniel Braak und Masato Wakayama
Remarks on the hidden symmetry of the asymmetric quantum Rabi model

BibTeX | RIS | DOI

2020

Daniel Braak und Jochen Mannhart
Fermi's golden rule and the second law of thermodynamics

PDF | BibTeX | RIS | DOI

2019

Patrick Seiler, Elias Lettl, Daniel Braak und Thilo Kopp
Antilocalization in oxides: effective spin-3/2 model

BibTeX | RIS | DOI | URL

Jochen Mannhart und Daniel Braak
Lossless currents at high temperatures

PDF | BibTeX | RIS | DOI

Jochen Mannhart, Philipp Bredol und Daniel Braak
Phase filters for a novel kind of asymmetric transport – scientific prospects and opportunities for possible applications

PDF | BibTeX | RIS | DOI

Aram Manaselyan, Wenchen Luo, Daniel Braak und Tapash Chakraborty
Seeking Maxwell's Demon in a non-reciprocal quantum ring

PDF | BibTeX | RIS | DOI

Daniel Braak
Symmetries in the quantum Rabi model

PDF | BibTeX | RIS | DOI

Patrick Seiler, Elias Lettl, Daniel Braak und Thilo Kopp
Weak antilocalization within a genuine multiband model

BibTeX | RIS | DOI | URL

2018

Patrick Seiler, Jone Zabaleta, Robin Wanke, Jochen Mannhart, Thilo Kopp und Daniel Braak
Antilocalization at an oxide interface

BibTeX | RIS | DOI

2017

M. Sanz, Daniel Braak, E. Solano und I. L. Egusquiza
Entanglement classification with algebraic geometry

BibTeX | RIS | DOI

Florian Loder, Arno P. Kampf, Thilo Kopp und Daniel Braak
Momentum-space spin texture in a topological superconductor

PDF | BibTeX | RIS | DOI

2016

Daniel Braak
Analytical solutions of basic models in quantum optics

BibTeX | RIS | DOI

Daniel Braak, Qing-Hu Chen, Murray T. Batchelor und Enrique Solano
Semi-classical and quantum Rabi models: in celebration of 80 years

BibTeX | RIS | DOI

Liwei Duan, You-Fei Xie, Daniel Braak und Qing-Hu Chen
Two-photon Rabi model: analytic solutions and spectral collapse

BibTeX | RIS | DOI

2015

Liwei Duan, Shu He, Daniel Braak und Qing-Hu Chen
Solution of the two-mode quantum Rabi model using extended squeezed states

BibTeX | RIS | DOI

S. Felicetti, J. S. Pedernales, I. L. Egusquiza, G. Romero, L. Lamata, Daniel Braak und E. Solano
Spectral collapse via two-phonon interactions in trapped ions

BibTeX | RIS | DOI | URL

2014

Daniel Braak, J. M. Zhang und Marcus Kollar
Integrability and weak diffraction in a two-particle Bose–Hubbard model

BibTeX | RIS | DOI

Jie Peng, Zhongzhou Ren, Daniel Braak, Guangjie Guo, Guoxing Ju, Xin Zhang und Xiaoyong Guo
Solution of the two-qubit quantum Rabi model and its exceptional eigenstates

BibTeX | RIS | DOI

2013

Daniel Braak
A generalized G-function for the Quantum Rabi Model

BibTeX | RIS | DOI

J. M. Zhang, Daniel Braak und Marcus Kollar
Bound states in the one-dimensional two-particle Hubbard model with an impurity

BibTeX | RIS | DOI | URL

Daniel Braak
Continued fractions and the Rabi model

BibTeX | RIS | DOI

F. A. Wolf, F. Vallone, G. Romero, Marcus Kollar, E. Solano und Daniel Braak
Dynamical correlation functions and the quantum Rabi model

BibTeX | RIS | DOI | URL

Daniel Braak
Solution of the Dicke model for N=3

BibTeX | RIS | DOI

2012

J. M. Zhang, Daniel Braak und Marcus Kollar
Bound states in the continuum realized in the one-dimensional two-particle Hubbard model with an impurity

BibTeX | RIS | DOI | URL

F. Alexander Wolf, Marcus Kollar und Daniel Braak
Exact real-time dynamics of the quantum Rabi model

BibTeX | RIS | DOI | URL

2011

Daniel Braak
Integrability of the Rabi model

BibTeX | RIS | DOI | URL

2007

Daniel Braak
Conductivity of a quasiperiodic system in two and three dimensions

BibTeX | RIS | DOI

2005

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
Observation of a Griffiths phase in paramagnetic La1-xSrxMnO3

BibTeX | RIS | DOI

2002

Frieder Kalisch und Daniel Braak
Exact density of states for finite Gaussian random matrix ensembles via supersymmetry

BibTeX | RIS | DOI

2001

Daniel Braak und Natan Andrei
On the spectrum of the XXZ-chain at roots of unity

BibTeX | RIS | DOI

1999

Daniel Braak und Natan Andrei
Physical picture of the gapped excitation spectrum of the one-dimensional Hubbard model

BibTeX | RIS | DOI

1994

Daniel Braak, F. Sievers und Klaus G. Ziegler
Competition of phonons and magnetic interaction in one-dimensional Fermion systems

BibTeX | RIS | URL

1993

Daniel Braak
Spontaneous magnetization in the disorder-dominated phase of the two-dimensional random-bond Ising model

BibTeX | RIS | DOI

Search