When is Quantum Decoherence Dynamics Classical?

Details When is Quantum Decoherence Dynamics Classical? When is Quantum Decoherence Dynamics Classical?

2002-12-18

arxiv.org/abs/quant-ph/0212106v1

Phys. Rev. Lett. 90, 050402 (2003)

Physics

Quantum Physics

5 pages, no figures, to appear in Physical Review Letters

Scientific paper

10.1103/PhysRevLett.90.050402

A direct classical analog of quantum decoherence is introduced. Similarities and differences between decoherence dynamics examined quantum mechanically and classically are exposed via a second-order perturbative treatment and via a strong decoherence theory, showing a strong dependence on the nature of the system-environment coupling. For example, for the traditionally assumed linear coupling, the classical and quantum results are shown to be in exact agreement.

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