Evolution of the quantized field coupled to a thermal bath: a phase space approach

Evolution of the quantized field coupled to a thermal bath: a phase space approach

We present an alternative method for describing the evolution of a mode of the quantized electromagnetic field in contact with a finite temperature thermal bath. We use the expansion of the field density operator in terms of coherent states and the related Glauber-Sudarshan \(P\)-function in phase s...

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Veröffentlicht in:arXiv.org 2020-10
Hauptverfasser: Mattos, E P, Vidiella-Barranco, A
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Electromagnetic fields
Evolution
Mathematical analysis
Physics - Optics
Physics - Quantum Physics
Physics - Statistical Mechanics
Thermal baths
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description We present an alternative method for describing the evolution of a mode of the quantized electromagnetic field in contact with a finite temperature thermal bath. We use the expansion of the field density operator in terms of coherent states and the related Glauber-Sudarshan \(P\)-function in phase space. The method allows us to obtain analytical expressions of the system's time-evolved \(P\)-function without needing to solve the corresponding master equation.
doi_str_mv 10.48550/arxiv.2010.09944
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subjects Electromagnetic fields
Evolution
Mathematical analysis
Physics - Optics
Physics - Quantum Physics
Physics - Statistical Mechanics
Thermal baths
title Evolution of the quantized field coupled to a thermal bath: a phase space approach
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