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2007 J. Phys. A: Math. Theor. 40 9437-9453 doi: 10.1088/1751-8113/40/31/019
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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 Schrödinger cat initial state. Dependence on the diffusive terms present in the master equation is discussed with reference to both the coordinate and momentum representations.
PACS numbers: 03.65.Yz, 05.40.Jc, 12.20.Ds
Print publication: Issue 31 (3 August 2007) |
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