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Unified view of quantum and classical correlations.

Abstract:

We discuss the problem of the separation of total correlations in a given quantum state into entanglement, dissonance, and classical correlations using the concept of relative entropy as a distance measure of correlations. This allows us to put all correlations on an equal footing. Entanglement and dissonance, whose definition is introduced here, jointly belong to what is known as quantum discord. Our methods are completely applicable for multipartite systems of arbitrary dimensions. We inves...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
Journal:
Physical Review Letters
Volume:
104
Issue:
8
Pages:
080501
Publication date:
2010-02-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Source identifiers:
154931
Language:
English
Pubs id:
pubs:154931
UUID:
uuid:eab972d9-64e6-4308-942d-35ae1e701c69
Local pid:
pubs:154931
Deposit date:
2012-12-19

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