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Global Geometric Measure of Quantum Discord and Entanglement of Formation in Multipartite Glauber Coherent States†

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Journal of Russian Laser Research Aims and scope

Abstract

The main purpose of this work is to evaluate quantum correlations in even and odd superpositions of Glauber coherent states. As measures of bipartite and multipartite correlations, we use the entanglement of formation (EOF), quantum discord, and its geometric variant. The other important facet of this work deals with the global geometric quantum discord evaluated by adopting different splitting schemes of the multipartite even and odd Glauber coherent states.

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Author information

Authors and Affiliations

  1. LPHE-MS, Department of Physics, Faculty of Sciences, Mohammed V University, 4 Avenue Ibn Battouta, B.P. 1014, Rabat, RP, Morocco

    H. Baba

  2. Department of Physics, Faculty of Sciences Ain Chock, University Hassan II, 20000, Casablanca, Morocco

    M. Mansour

  3. Abdus Salam International Centre for Theoretical Physics, Strada Costiera, 11, 14151, Trieste, Italy

    M. Daoud

  4. Department of Physics, Faculty of Sciences, University Ibn Tofail, B.P 242, Kenitra, Morocco

    M. Daoud

Authors
  1. H. Baba
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  2. M. Mansour
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  3. M. Daoud
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Corresponding author

Correspondence to H. Baba.

Additional information

†This manuscript was submitted as a regular paper but the Editorial Board of Journal of Russian Laser Research decided to publish it in this Special issue dedicated to the memory of Dr. Vladimir A. Andreev, since the manuscript contains interesting results related to Andreev’s scientific activity; this fact was also pointed out by referees, who are simultaneously the authors of this issue.

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Baba, H., Mansour, M. & Daoud, M. Global Geometric Measure of Quantum Discord and Entanglement of Formation in Multipartite Glauber Coherent States†. J Russ Laser Res 43, 124–137 (2022). https://doi.org/10.1007/s10946-022-10029-2

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  • DOI: https://doi.org/10.1007/s10946-022-10029-2

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