Quantum decoherence of the damped harmonic oscillator

Abstract

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.

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

References in corpus (5)

• Decoherence, einselection, and the quantum origins of the classical
• Open quantum systems
• Quantum decoherence and classical correlations of the harmonic oscillator in the Lindblad theory
• Uncertainty Relation for a Quantum Open System
• Uncertainty functions of the open quantum harmonic oscillator in the Lindblad theory