Numerical evidence for approximate consistency and Markovianity of some quantum histories in a class of finite closed spin systems

DC FieldValueLanguage
dc.contributor.authorSchmidtke, Daniel
dc.contributor.authorGemmer, Jochen
dc.date.accessioned2021-12-23T16:05:00Z-
dc.date.available2021-12-23T16:05:00Z-
dc.date.issued2016
dc.identifier.issn15393755
dc.identifier.urihttps://osnascholar.ub.uni-osnabrueck.de/handle/unios/6730-
dc.description.abstractClosed quantum systems obey the Schrodinger equation, whereas nonequilibrium behavior of many systems is routinely described in terms of classical, Markovian stochastic processes. Evidently, there are fundamental differences between those two types of behavior. We discuss the conditions under which the unitary dynamics may be mapped onto pertinent classical stochastic processes. This is first principally addressed based on the notions of ``consistency'' and ``Markovianity.'' Numerical data are presented that show that the above conditions are to good approximation fulfilled for Heisenberg-type spin models comprising 12-20 spins. The accuracy to which these conditions are met increases with system size.
dc.language.isoen
dc.publisherAMER PHYSICAL SOC
dc.relation.ispartofPHYSICAL REVIEW E
dc.subjectDECOHERENCE
dc.subjectDERIVATION
dc.subjectEQUATION
dc.subjectMECHANICS
dc.subjectPhysics
dc.subjectPhysics, Fluids & Plasmas
dc.subjectPhysics, Mathematical
dc.titleNumerical evidence for approximate consistency and Markovianity of some quantum histories in a class of finite closed spin systems
dc.typejournal article
dc.identifier.doi10.1103/PhysRevE.93.012125
dc.identifier.isiISI:000368517500002
dc.description.volume93
dc.description.issue1
dc.identifier.eissn15502376
dc.publisher.placeONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
dcterms.isPartOf.abbreviationPhys. Rev. E
dcterms.oaStatusGreen Submitted
crisitem.author.netidGeJo743-
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