A1 Refereed original research article in a scientific journal

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




AuthorsLaine EM, Luoma K, Piilo J

PublisherIOP PUBLISHING LTD

Publication year2012

JournalJournal of Physics B: Atomic, Molecular and Optical Physics

Journal name in sourceJOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS

Journal acronymJ PHYS B-AT MOL OPT

Article numberARTN 154004

Number in series15

Volume45

Issue15

Number of pages8

ISSN0953-4075

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

Self-archived copy’s web addresshttps://arxiv.org/abs/1207.2343


Abstract
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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