Thermodynamics of ultrastrongly coupled light-matter systems

@article{Pilar2020ThermodynamicsOU,
  title={Thermodynamics of ultrastrongly coupled light-matter systems},
  author={Philipp Pilar and D. D. Bernardis and P. Rabl},
  journal={Quantum},
  year={2020},
  volume={4},
  pages={335}
}
We study the thermodynamic properties of a system of two-level dipoles that are coupled ultrastrongly to a single cavity mode. By using exact numerical and approximate analytical methods, we evaluate the free energy of this system at arbitrary interaction strengths and discuss strong-coupling modifications of derivative quantities such as the specific heat or the electric susceptibility. From this analysis we identify the lowest-order cavity-induced corrections to those quantities in the… Expand

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Vacuum anomalous Hall effect in gyrotropic cavity

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