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Atomic Polarization in Cavity QED Subject to Spontaneous Emission at Finite Temperature |
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PP: 453-458 |
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doi:10.18576/amis/200211
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Author(s) |
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R. Jua ́rez-Amaro,
H. M. Moya-Cessa,
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Abstract |
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| This work investigates the decoherence dynamics of a fundamental quantum-optical system: a two-level atom dispersively coupled to a quantized field mode. We present a comprehensive solution to the system’s master equation, which incorporates not only the coherent dispersive interaction but also the dissipative effects of spontaneous emission into an environment at a finite temperature. By employing advanced superoperator techniques, we develop a method to efficiently unravel the combined unitary and non-unitary dynamics. Specifically, we calculate the time evolution of the atomic polarization, paying particular attention to the case where the field is initially prepared in a coherent state. Our approach rigorously captures the interplay between the field’s quantum statistics and the thermal relaxation processes, offering new insights into the decoherence of non-classical states in a dissipative environment. |
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