Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevLett.108.070403
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dc.titlePreferred states of decoherence under intermediate system-environment coupling
dc.contributor.authorWang, W.-G.
dc.contributor.authorHe, L.
dc.contributor.authorGong, J.
dc.date.accessioned2014-10-16T09:36:55Z
dc.date.available2014-10-16T09:36:55Z
dc.date.issued2012-02-17
dc.identifier.citationWang, W.-G., He, L., Gong, J. (2012-02-17). Preferred states of decoherence under intermediate system-environment coupling. Physical Review Letters 108 (7) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.108.070403
dc.identifier.issn00319007
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/97581
dc.description.abstractThe notion that decoherence rapidly reduces a superposition state to an incoherent mixture implicitly adopts a special representation, namely, the representation of preferred (pointer) states (PS). For weak or strong system-envrionment interaction, the behavior of PS is well known. Via a simple dynamical model that simulates a two-level system interacting with few other degrees of freedom as its environment, it is shown that even for intermediate system-environment coupling, approximate PS may still emerge from the coherent quantum dynamics of the whole system in the absence of any thermal averaging. The found PS can also continuously deform to expected limits for weak or strong system-environment coupling. Computational results are also qualitatively explained. The findings should be useful towards further understanding of decoherence and quantum thermalization processes. © 2012 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevLett.108.070403
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevLett.108.070403
dc.description.sourcetitlePhysical Review Letters
dc.description.volume108
dc.description.issue7
dc.description.page-
dc.description.codenPRLTA
dc.identifier.isiut000300424200001
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