Experimentally friendly geometrical criteria for entanglement.
作者信息
Badziag Piotr, Brukner Caslav, Laskowski Wiesław, Paterek Tomasz, Zukowski Marek
机构信息
Alba Nova Fysikum, University of Stockholm, S-106 91, Sweden.
出版信息
Phys Rev Lett. 2008 Apr 11;100(14):140403. doi: 10.1103/PhysRevLett.100.140403. Epub 2008 Apr 8.
Abstract
A simple geometrical criterion gives experimentally friendly sufficient conditions for entanglement. Its generalization gives a necessary and sufficient condition. It is linked with a family of entanglement identifiers, which is strictly richer than the family of entanglement witnesses.
摘要
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