Fidelity for displaced squeezed states and the oscillator semigroup

1997/08/07 by Horia Scutaru · 2 citations
Physics and Astronomy · #quant-ph

paper · pdf · doi:10.1088/0305-4470/31/15/025

published as J.Phys.A31:3659-3663,1998 · 3 pages, REVTEX, no figures, submitted to Journal of Physics A, May 5, 1997

arxiv created 1997/08/07 · arxiv updated 2009/12/01

Abstract

The fidelity for two displaced squeezed thermal states is computed using the fact that the corresponding density operators belong to the oscillator semigroup.

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