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

Y. Khouja, K. El Anouz and A. El Allati

Physica A: Statistical Mechanics and its Applications, 2023, vol. 619, issue C

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.

Keywords: EPR steering; Directional entanglement; Decoherence; Thermal noise (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:619:y:2023:i:c:s037843712300290x

DOI: 10.1016/j.physa.2023.128735

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