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Title: Relative state measures of correlations in bipartite quantum systems
Authors: Pierre, R.
Erik, S. 
Keywords: Correlations
Relative states
Issue Date: 1-Jan-2012
Source: Pierre, R.,Erik, S. (2012-01-01). Relative state measures of correlations in bipartite quantum systems. Quantum Information and Computation 12 (1-2) : 119-137. ScholarBank@NUS Repository.
Abstract: Everett's concept of relative state can be viewed as a map that contains information about correlations between measurement outcomes on two quantum systems. We demonstrate how geometric properties of the relative state map can be used to develop operationally well-defined measures of the total correlation in bipartite quantum systems of arbitrary state space dimension. These measures are invariant under local unitary transformations and non-increasing under local operations. We show that some known correlation measures have a natural interpretation in terms of relative states.
Source Title: Quantum Information and Computation
ISSN: 15337146
Appears in Collections:Staff Publications

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