Dynamics of open quantum systems with initial system-reservoir correlations

Details Dynamics of open quantum systems with initial system-reservoir correlations Dynamics of open quantum systems with initial system-reservoir correlations

2010-12-22

arxiv.org/abs/1012.4866v1

Phys. Rev. A 83, 032102 (2011)

Physics

Quantum Physics

8 pages, 3 figures

Scientific paper

In this paper, the exact dynamics of open quantum systems in the presence of initial system-reservoir correlations is investigated for a photonic cavity system coupled to a general non-Markovian reservoir. The exact time-convolutionless master equation incorporating with initial system-reservoir correlations is obtained. The non-Markovian dynamics of the reservoir and the effects of the initial correlations are embedded into the time-dependent coefficients in the master equation. We show that the effects induced by the initial correlations play an important role in the non-Markovian dynamics of the cavity but they are washed out in the steady-state limit in the Markovian regime. Moreover, the initial two-photon correlation between the cavity and the reservoir can induce nontrivial squeezing dynamics to the cavity field.

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