Quantum decoherence and classical correlations of the harmonic oscillator in the Lindblad theory

A. Isar and W. Scheid

Physica A: Statistical Mechanics and its Applications, 2007, vol. 373, issue C, 298-312

Abstract: In the framework of the Lindblad theory for open quantum systems we determine the degree of quantum decoherence and classical correlations of a harmonic oscillator interacting with a thermal bath. The transition from quantum to classical behaviour of the considered system is analysed and it is shown that the classicality takes place during a finite interval of time. We calculate also the decoherence time and show that it has the same scale as the time after which statistical fluctuations become comparable with quantum fluctuations.

Keywords: Master equation; Quantum decoherence; Quantum to classical transition (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:373:y:2007:i:c:p:298-312

DOI: 10.1016/j.physa.2006.04.065

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