Spectral conditions for entanglement witnesses vs. bound entanglement

Details Spectral conditions for entanglement witnesses vs. bound entanglement Spectral conditions for entanglement witnesses vs. bound entanglement

2009-08-13

arxiv.org/abs/0908.1846v2

Phys. Rev A 80, 042314 (2009)

Physics

Quantum Physics

new references; 4.5 pages

Scientific paper

It is shown that entanglement witnesses constructed via the family of
spectral conditions are decomposable, i.e. cannot be used to detect bound
entanglement. It supports several observations that bound entanglement reveals
highly non-spectral features.

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