Decoherence strength of multiple non-Markovian environments

C.H. Fleming, B.L. Hu and Albert Roura

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 17, 4206-4214

Abstract: It is known that one can characterize the decoherence strength of a Markovian environment by the product of its temperature and induced damping, and order the decoherence strength of multiple environments by this quantity. By deriving the non-Markovian dissipator of the completely-positive semi-group theorem for a general system with weak coupling to its environment, we show that for non-Markovian environments there also exists a natural (albeit partial) ordering of environment-induced irreversibility within a perturbative treatment. This measure can be applied to both low-temperature and non-equilibrium environments.

Keywords: Open quantum systems; Nonequilibrium quantum statistical mechanics; Decoherence (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:17:p:4206-4214

DOI: 10.1016/j.physa.2012.04.008

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