Quantum decoherence of the damped harmonic oscillator

Details Quantum decoherence of the damped harmonic oscillator Quantum decoherence of the damped harmonic oscillator

2006-06-27

arxiv.org/abs/quant-ph/0606222v1

Optics and Spectroscopy 103, 252 (2007)

Physics

Quantum Physics

Talk at the XI International Conference on Quantum Optics (ICQO'2006), May 2006, Minsk (Belarus), 9 pages

Scientific paper

10.1134/S0030400X07080140

In the framework of the Lindblad theory for open quantum systems, we determine the degree of quantum decoherence of a harmonic oscillator interacting with a thermal bath. It is found that the system manifests a quantum decoherence which is more and more significant in time. We also calculate the decoherence time and show that it has the same scale as the time after which thermal fluctuations become comparable with quantum fluctuations.

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