Anomalous diffusion in quantum Brownian motion with colored noise

Details Anomalous diffusion in quantum Brownian motion with colored noise Anomalous diffusion in quantum Brownian motion with colored noise

2006-03-26

arxiv.org/abs/quant-ph/0603240v1

Phys. Rev. A 73, 032103 (2006)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.73.032103

Anomalous diffusion is discussed in the context of quantum Brownian motion with colored noise. It is shown that earlier results follow simply and directly from the fluctuation-dissipation theorem. The limits on the long-time dependence of anomalous diffusion are shown to be a consequence of the second law of thermodynamics. The special case of an electron interacting with the radiation field is discussed in detail. We apply our results to wave-packet spreading.

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