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A comparative study between EPR steering and directional entanglement of a joint field-field system

Author

Listed:
  • Khouja, Y.
  • El Anouz, K.
  • El Allati, A.

Abstract

In this paper, we investigate the presence of quantum EPR steering and entanglement, using EPR-Reid and directional entanglement criteria. In continuous variables, we study the effects of decoherence and thermal noise among the correlations of a joint field-field system. It consists of investigating the interaction between two quantum electrodynamic cavities during the passage of a two-level atom. Indeed, the main purpose of this paper is to examine the impact of the decoherence and thermal noise parameters on the behavior of EPR steering and directional entanglement. Hence, it is shown that the non-classical correlation, including steering and directional entanglement, is sensitive to the variation of the decoherence and thermal noise parameters. Furthermore, the outcomes provide an evidence about the asymmetry of steering correlations.

Suggested Citation

  • Khouja, Y. & El Anouz, K. & El Allati, A., 2023. "A comparative study between EPR steering and directional entanglement of a joint field-field system," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 619(C).
    • Handle: RePEc:eee:phsmap:v:619:y:2023:i:c:s037843712300290x
    DOI: 10.1016/j.physa.2023.128735
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    References listed on IDEAS

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    1. Tobias Gehring & Vitus Händchen & Jörg Duhme & Fabian Furrer & Torsten Franz & Christoph Pacher & Reinhard F. Werner & Roman Schnabel, 2015. "Implementation of continuous-variable quantum key distribution with composable and one-sided-device-independent security against coherent attacks," Nature Communications, Nature, vol. 6(1), pages 1-7, December.
    2. Mohammed, A.R. & Ahmed, A.H. & El-Shahat, T.M. & Metwally, N., 2021. "Quantum steering over an entangled network that is generated via Dipolar interaction," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 584(C).
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