Complete positivity and entangled degrees of freedom

Details Complete positivity and entangled degrees of freedom Complete positivity and entangled degrees of freedom

2002-05-02

arxiv.org/abs/quant-ph/0205007v1

J.Phys.A35:4955-4972,2002

Physics

Quantum Physics

23 pages, plain-TeX, no figures

Scientific paper

10.1088/0305-4470/35/23/311

We study how some recently proposed noncontextuality tests based on quantum
interferometry are affected if the test particles propagate as open systems in
presence of a gaussian stochastic background. We show that physical consistency
requires the resulting markovian dissipative time-evolution to be completely
positive.

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