A class of Bell diagonal states and entanglement witnesses

Details A class of Bell diagonal states and entanglement witnesses A class of Bell diagonal states and entanglement witnesses

2010-04-09

arxiv.org/abs/1004.1655v1

Open Systems and Inf. Dynamics 17, 235-254 (2010)

Physics

Quantum Physics

17 pages

Scientific paper

We analyze special class of bipartite states - so called Bell diagonal
states. In particular we provide new examples of bound entangled Bell diagonal
states and construct the class of entanglement witnesses diagonal in the magic
basis.

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