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Frictional quantum decoherence

Bellomo, Bruno and Barnett, Stephen M. and Jeffers, John (2007) Frictional quantum decoherence. Journal of Physics A: Mathematical and Theoretical, 40 (31). pp. 9437-9453. ISSN 1751-8113

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Abstract

The dynamics associated with a measurement-based master equation for quantum Brownian motion are investigated. A scheme for obtaining time evolution from general initial conditions is derived. This is applied to analyse dissipation and decoherence in the evolution of both a Gaussian and a Schrodinger cat initial state. Dependence on the diffusive terms present in the master equation is discussed with reference to both the coordinate and momentum representations.

Item type: Article
ID code: 30994
Keywords: brownian-motion, master equation, dissipation, Optics. Light
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 15 Jun 2011 16:36
    Last modified: 07 Dec 2013 01:01
    URI: http://strathprints.strath.ac.uk/id/eprint/30994

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