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dc.contributor.authorBanerjee, Subhashish-
dc.contributor.authorGhosh, Joyee-
dc.contributor.authorGhosh, R.-
dc.date.accessioned2007-07-24T05:48:04Z-
dc.date.available2007-07-24T05:48:04Z-
dc.date.issued2007-
dc.identifier.citationPhysical Review A, 2007, Vol.75, p062106en
dc.identifier.issn1050-2947-
dc.identifier.issn1094-1622 (online)-
dc.identifier.urihttp://hdl.handle.net/2289/3286-
dc.descriptionOpen Access.en
dc.description.abstractWe quantitatively analyze the dynamics of the quantum phase distribution associated with the reduced density matrix of a system, as the system evolves under the influence of its environment with an energy-preserving quantum nondemolition (QND) type of coupling. We take the system to be either an oscillator (harmonic or anharmonic) or a two-level atom (or equivalently, a spin-1/2 system), and model the environment as a bath of harmonic oscillators, initially in a general squeezed thermal state. The impact of the different environmental parameters is explicitly brought out as the system starts out in various initial states. The results are applicable to a variety of physical systems now studied experimentally with QND measurements.en
dc.format.extent244321 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.urihttp://link.aps.org/abstract/PRA/v75/e062106en
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevA.75.062106en
dc.rights2007 American Physical Societyen
dc.titlePhase-diffusion pattern in quantum-nondemolition systemsen
dc.typeArticleen
Appears in Collections:Research Papers (TP)

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