Dynamics of entropic measurement-induced nonlocality in structured reservoirs

Details Dynamics of entropic measurement-induced nonlocality in structured reservoirs Dynamics of entropic measurement-induced nonlocality in structured reservoirs

2012-01-31

arxiv.org/abs/1201.6430v2

Physics

Quantum Physics

8 pages, 6 figures

Scientific paper

10.1016/j.aop.2012.04.003

We propose the entropic measurement-induced nonlocality (MIN) as the maximal increment of von Neumann entropy induced by the locally non-disturbing measurement, and study behaviors of it both in the independent and common structured reservoirs. We present schemes for preserving the MIN, and show that for certain initial states the MIN, including the quantum correlations, can even be enhanced by the common reservoir. Additionally, we also show that the different measures of MIN may give different qualitative characterizations of nonlocal properties, i.e., it is rather measure dependent than state dependent.

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