Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3349
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dc.contributor.authorRoy, Dibyendu-
dc.contributor.authorKumar, N.-
dc.date.accessioned2007-11-21T11:14:19Z-
dc.date.available2007-11-21T11:14:19Z-
dc.date.issued2007-09-14-
dc.identifier.citationPhysical Review B, 2007, Vol.76, 092202en
dc.identifier.issnE-ISSN: 1095-3795-
dc.identifier.issnP-ISSN(s): 0163-1829; 1098-0121-
dc.identifier.urihttp://hdl.handle.net/2289/3349-
dc.descriptionOpen Access.en
dc.description.abstractWe introduce phase disorder in a one-dimensional quantum resistor through the formal device of “fake channels” distributed uniformly over its length such that the outcoupled wave amplitude is reinjected back into the system, but with a phase which is random. The associated scattering problem is treated via invariant embedding in the continuum limit, and the resulting transport equation is found to correspond exactly to the Lloyd model. The latter has been a subject of much interest in recent years. This conversion of the random phase into the random Cauchy potential is a notable feature of our work. It is further argued that our phase-randomizing reservoir, as distinct from the well-known phase-breaking reservoirs, induces no decoherence, but essentially destroys all interference effects other than the coherent backscattering.en
dc.format.extent84008 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.relation.urihttp://arxiv.org/abs/arXiv:0705.2815en
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevB.76.092202en
dc.rights2007. The American Physical Societyen
dc.titleRandom-phase reservoir and a quantum resistor: The Lloyd modelen
dc.typeArticleen
Appears in Collections:Research Papers (TP)

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