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Accessibility of physical states and non-uniqueness of entanglement measure

Abstract:
Ordering physical states is the key to quantifying some physical property of the states uniquely. Bipartite pure entangled states are totally ordered under local operations and classical communication (LOCC) in the asymptotic limit and uniquely quantified by the well-known entropy of entanglement. However, we show that mixed entangled states are partially ordered under LOCC even in the asymptotic limit. Therefore, non-uniqueness of entanglement measure is understood on the basis of an operational notion of asymptotic convertibility.
Publication status:
Published

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Publisher copy:
10.1088/0305-4470/37/22/013

Authors


Morikoshi, F More by this author
Santos, MF More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Journal:
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
Volume:
37
Issue:
22
Pages:
5887-5893
Publication date:
2004-06-04
DOI:
EISSN:
1361-6447
ISSN:
0305-4470
URN:
uuid:036d5f9f-5797-4d9e-a311-f995fd2a26df
Source identifiers:
157183
Local pid:
pubs:157183
Language:
English

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