Noise-induced energy excitation by a general environment

Details Noise-induced energy excitation by a general environment Noise-induced energy excitation by a general environment

2007-08-07

arxiv.org/abs/0708.1013v1

Physics

Quantum Physics

14 pages; 7 figures. Version to appear in Phys Lett. A

Scientific paper

10.1016/j.physleta.2007.08.019

We analyze the effects that general environments, namely ohmic and non-ohmic, at zero and high temperature induce over a quantum Brownian particle. We state that the evolution of the system can be summarized in terms of two main environmental induced physical phenomena: decoherence and energy activation. In this article we show that the latter is a post-decoherence phenomenon. As the energy is an observable, the excitation process is a direct indication of the system-environment entanglement particularly useful at zero temperature.

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