Quantum decoherence in the theory of open systems

Details Quantum decoherence in the theory of open systems Quantum decoherence in the theory of open systems

2007-04-25

arxiv.org/abs/0704.3415v1

Phys. Part. Nuclei Lett. 4, 133 (2007)

Physics

Quantum Physics

6 pages; talk at the 3rd International Workshop "Quantum Physics and Communication" (QPC 2005), Dubna, Russia, 2005

Scientific paper

10.1134/S1547477107020070

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 calculate also the decoherence time scale and analyze the transition from quantum to classical behaviour of the considered system.

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