Concurrence of mixed bipartite quantum states in arbitrary dimensions

Details Concurrence of mixed bipartite quantum states in arbitrary dimensions Concurrence of mixed bipartite quantum states in arbitrary dimensions

2004-03-08

arxiv.org/abs/quant-ph/0403063v1

PRL 92, 167902 (2004)

Physics

Quantum Physics

accepted py PRL

Scientific paper

10.1103/PhysRevLett.92.167902

We derive a lower bound for the concurrence of mixed bipartite quantum
states, valid in arbitrary dimensions. As a corollary, a weaker, purely
algebraic estimate is found, which detects mixed entangled states with positive
partial transpose.

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