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Entanglement Theory Quantum Correlations

Global quantum correlations in tripartite nonorthogonal states and monogamy properties

arXiv
Authors: M. Daoud, R. Ahl Laamara, R. Essaber, W. Kaydi

Year

2014

Paper ID

46167

Status

Preprint

Abstract Read

~2 min

Abstract Words

78

Citations

N/A

Abstract

A global measure of quantum correlations for tripartite nonorthogonal states is presented. It is introduced as the overall average of the pairwise correlations existing in all possible partitions. The explicit expressions for the global measure are derived for squared concurrence, entanglement of formation, quantum discord and its geometric variant. As illustration, we consider even and odd three-mode Schrödinger cat states based on Glauber coherent states. We also discuss limitations to sharing quantum correlations known as monogamy relations.

Why This Paper Matters

  • This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
  • It adds a 2014 reference point for readers tracking recent quantum research.
  • A global measure of quantum correlations for tripartite nonorthogonal states is presented.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1412.0377 [2] arXiv https://arxiv.org/abs/1412.0377 [3] Publisher https://arxiv.org/abs/1412.0377

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