Decoherence of number states in phase-sensitive reservoirs

Details Decoherence of number states in phase-sensitive reservoirs Decoherence of number states in phase-sensitive reservoirs

2003-12-05

arxiv.org/abs/quant-ph/0312055v2

Mod. Phys. Lett. B 18, 687 (2004)

Physics

Quantum Physics

5 pages, 2 figures, minor changes, references added

Scientific paper

10.1142/S0217984904007177

The non-unitary evolution of initial number states in general Gaussian
environments is solved analytically. Decoherence in the channels is quantified
by determining explicitly the purity of the state at any time. The influence of
the squeezing of the bath on decoherence is discussed. The behavior of coherent
superpositions of number states is addressed as well.

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