Physics – Quantum Physics
Scientific paper
1998-06-17
Phys.Rev.Lett. 82 (1999) 1056-1059
Physics
Quantum Physics
RevTeX, 4 pages
Scientific paper
10.1103/PhysRevLett.82.1056
Bound entanglement is the noisy entanglement which cannot be distilled to a singlet form. Thus it cannot be used alone for quantum communication purposes. Here we show that, nevertheless, the bound entanglement can be, in a sense, pumped into single pair of free entangled particles. It allows for teleportation via the pair with the fidelity impossible to achieve without support of bound entanglement. The result also suggests that the distillable entanglement may be not additive.
Horodecki Michal
Horodecki Pawel
Horodecki Ryszard
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