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Phys. Rev. A 61, 064301 (2000) [4 pages]

Continuity bounds for entanglement

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M. A. Nielsen*
Physics MC 12-33, California Institute of Technology, Pasadena, California 91125

Received 3 September 1999; published 28 April 2000

This Brief Report quantifies the continuity properties of entanglement: how much does entanglement vary if we change the entangled quantum state just a little? This question is studied for the pure state entanglement of a bipartite system and for the entanglement of formation of a bipartite system in a mixed state.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.61.064301
DOI:
10.1103/PhysRevA.61.064301
PACS:
03.67.-a, 03.65.Bz

*Electronic address: mnielsen@theory.caltech.edu