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Open Quantum Systems Decoherence

Frictional quantum decoherence

arXiv

Authors: Bruno Bellomo, Stephen M. Barnett, John Jeffers

Year

2007

Paper ID

49625

Status

Preprint

Abstract Read

~2 min

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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 analyze 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.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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The dynamics associated with a measurement-based master equation for quantum Brownian motion are investigated.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0707.2912 [2] arXiv https://arxiv.org/abs/0707.2912 [3] Publisher https://arxiv.org/abs/0707.2912

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