Broadcasting of entanglement via local copying

Details Broadcasting of entanglement via local copying Broadcasting of entanglement via local copying

1997-01-23

arxiv.org/abs/quant-ph/9701028v1

Phys.Rev. A55 (1997) 3327-3332

Physics

Quantum Physics

6 pages, to appear in Phys. Rev. A 1997

Scientific paper

10.1103/PhysRevA.55.3327

We show that inseparability of quantum states can be partially broadcasted
(copied, cloned) with the help of local operations, i.e. distant parties
sharing an entangled pair of spin 1/2 states can generate two pairs of
partially nonlocally entangled states using only local operations. This
procedure can be viewed as an inversion of quantum purification procedures.

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