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Phase Transition in a Two-level-cavity System in an Ohmic Environment

Chang-Qin Wu·Jian-Xin Li·Dung-Hai Lee
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Abstract

We propose that in the presence of an Ohmic, de-phasing type environment, a two-level-cavity system undergoes a quantum phase transition from a state with damped Rabi oscillation to a state without. We present the phase diagram and make predictions for pump and probe experiment. Such a strong coupling effect of the environment is beyond the reach of conventional perturbative treatment.

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Chang-Qin Wu, Jian-Xin Li, Dung-Hai Lee. 2007-03-09. Phase Transition in a Two-level-cavity System in an Ohmic Environment. https://arxiv.org/abs/cond-mat/0703238

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