Dr. Daniel Braak
DFG group leader
Theoretical Physics III
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
2023
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2022
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2021
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2020
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2019
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2018
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2017
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2016
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2015
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2014
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2013
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2012
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2011
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2007
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2005
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2002
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2001
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1999
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1994
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1993