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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Quantum Correlations Relativity for Continuous Variable Systems

arXiv

Authors: M. Dugic, M. Arsenijevic, J. Jeknic-Dugic

Year

2011

Paper ID

31027

Status

Preprint

Abstract Read

~2 min

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Abstract

It is shown that a choice of degrees of freedom of a bipartite continuous variable system determines amount of non-classical correlations (quantified by discord) in the system's state. Non-classical correlations (that include entanglement as a special kind of correlations) are ubiquitous for such systems. For a quantum state, if there are not non-classical correlations (quantum discord is zero) for one, there are in general non-classical correlations (quantum discord is non-zero) for another set of the composite system's degrees of freedom. The physical relevance of this 'quantum correlations relativity' is emphasized also in the more general context.

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It is shown that a choice of degrees of freedom of a bipartite continuous variable system determines amount of non-classical correlations (quantified by discord) in the...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1112.5797 [2] arXiv https://arxiv.org/abs/1112.5797 [3] Publisher https://arxiv.org/abs/1112.5797

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