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Computable measure of entanglement

G. Vidal and R. F. Werner
Phys. Rev. A 65, 032314 – Published 22 February 2002
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Abstract

We present a measure of entanglement that can be computed effectively for any mixed state of an arbitrary bipartite system. We show that it does not increase under local manipulations of the system, and use it to obtain a bound on the teleportation capacity and on the distillable entanglement of mixed states.

  • Received 28 April 2001

DOI:https://doi.org/10.1103/PhysRevA.65.032314

©2002 American Physical Society

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Physical Review A 50th Anniversary Milestones

The collection contains papers that have made important contributions to atomic, molecular, and optical physics and quantum information by announcing significant discoveries or by initiating new areas of research.

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Authors & Affiliations

G. Vidal

  • Institut für Theoretische Physik, Universität Innsbruck, Technikerstrasse 25, A-6020 Innsbruck, Austria

R. F. Werner

  • Institut für Mathematische Physik, TU Braunschweig, Mendelssohnstrasse 3, 38304 Braunschweig, Germany

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Vol. 65, Iss. 3 — March 2002

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