Phys. Rev. A 63, 030302(R) (2001) [4 pages]Entanglement manipulation and concentration
We introduce a simple, experimentally realizable, entanglement manipulation protocol for exploring mixed-state entanglement. We show that for both nonmaximally entangled pure, and mixed polarization-entangled two-qubit states, an increase in the degree of entanglement and purity, is achievable. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.63.030302
DOI:
10.1103/PhysRevA.63.030302
PACS:
03.67.-a, 03.65.Ta, 42.50.-p
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