Journal
PHYSICAL REVIEW LETTERS
Volume 102, Issue 17, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.170503
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Funding
- EU
- National Research Fund of Hungary OTKA [T049234]
- FWF
- Spanish MEC
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We study the separability of permutationally symmetric quantum states. We show that for bipartite symmetric systems most of the relevant entanglement criteria coincide. However, we provide a method to generate examples of bound entangled states in symmetric systems, for the bipartite and the multipartite case. These states shed some new light on the nature of bound entanglement.
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