Local-in-time master equations with memory effects: applicability and interpretation



: Laine EM, Luoma K, Piilo J

Publisher: IOP PUBLISHING LTD

: 2012

: Journal of Physics B: Atomic, Molecular and Optical Physics

: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

: J PHYS B-AT MOL OPT

: ARTN 154004

: 15

: 45

: 15

: 8

: 0953-4075

DOI: https://doi.org/10.1088/0953-4075/45/15/154004

: https://arxiv.org/abs/1207.2343


Non-Markovian local-in-time master equations give a relatively simple way to describe the dynamics of open quantum systems with memory effects. Despite their simple form, there are still many misunderstandings related to the physical applicability and interpretation of these equations. Here, we clarify these issues both in the cases of quantum and classical master equations. We further introduce the concept of a classical non-Markov chain signified through negative jump rates in the chain configuration.



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