Decoherence via Dynamical Casimir Effect

Details Decoherence via Dynamical Casimir Effect Decoherence via Dynamical Casimir Effect

1999-10-06

arxiv.org/abs/quant-ph/9910027v1

Phys.Rev.Lett.84:798-801,2000

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.84.798

We derive a master equation for a mirror interacting with the vacuum field via radiation pressure. The dynamical Casimir effect leads to decoherence of a 'Schroedinger cat' state in a time scale that depends on the degree of 'macroscopicity' of the state components, and which may be much shorter than the relaxation time scale. Coherent states are selected by the interaction as pointer states.

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