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Phys. Rev. A 67, 060302(R) (2003) [3 pages]

Universal entanglement transformations without communication

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Wim van Dam*
Mathematical Sciences Research Institute, 1000 Centennial Drive #5070, Berkeley, California 94720-5070, USA

Patrick Hayden†
Institute for Quantum Information, Caltech 107-81, Pasadena, California 91125, USA

Received 10 January 2002; published 11 June 2003

We show that in the presence of finite catalysts, any pure bipartite entangled state can be converted into any other, to unlimited accuracy, without the use of any communication, quantum or classical. We call this process embezzling entanglement because it involves removing a small amount of entanglement from the catalyst in a physically unnoticeable way.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.060302
DOI:
10.1103/PhysRevA.67.060302
PACS:
03.67.Hk, 03.67.Mn

*Also at UC Berkeley and HP Labs, Palo Alto; electronic address: vandam@cs.berkeley.edu

†Electronic address: patrick@cs.caltech.edu

 
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