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APS » Journals » Phys. Rev. Lett. » Volume 93 » Issue 26
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Phys. Rev. Lett. 93, 260501 (2004) [4 pages]

Remote Preparation and Distribution of Bipartite Entangled States

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Gilad Gour1,2,* and Barry C. Sanders3
1Theoretical Physics Institute, University of Alberta, Edmonton, Alberta T6G 2J1, Canada
2Department of Mathematics, University of California–San Diego, La Jolla, California 92093-0112, USA
3Institute for Quantum Information Science, University of Calgary, Alberta T2N 1N4, Canada

Received 16 July 2004; published 20 December 2004

We prove a powerful theorem for tripartite remote entanglement distribution protocols that establishes an upper bound on the amount of entanglement of formation that can be created between two single-qubit nodes of a quantum network. Our theorem also provides an operational interpretation of concurrence as a type of entanglement capacity.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.260501
DOI:
10.1103/PhysRevLett.93.260501
PACS:
03.67.Hk, 03.65.Ud, 03.67.Mn

*Electronic address: ggour@math.ucsd.edu

 
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