Spectroscopy and critical quantum thermometry in the ultrastrong coupling regime
M. Salado-Mejía,
R. Román-Ancheyta,
F. Soto-Eguibar
et al.
Abstract:We present an exact analytical solution of the anisotropic Hopfield model, and we use it to investigate in detail the spectral and thermometric response of two ultrastrongly coupled quantum systems. Interestingly, we show that depending on the initial state of the coupled system, the vacuum Rabi splitting manifests significant asymmetries that may be considered spectral signatures of the counterintuitive decoupling effect.Using the coupled system as a thermometer for quantum thermodynamics applications, we obt… Show more
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