Non-locality Correlation in Two Driven Qubits Inside an Open Coherent Cavity: Trace Norm Distance and Maximum Bell Function

We analytically investigate two separated qubits inside an open cavity field. The cavity is initially prepared in a superposition coherent state. The non-locality correlations [including trace norm measurement induced non-locality, maximal Bell-correlation, and concurrence entanglement] of the two q...

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Bibliographic Details
Published in:Scientific reports 2019-12, Vol.9 (1), p.19632-10, Article 19632
Main Authors: Mohamed, A. -B. A., Eleuch, H., Ooi, C. H. Raymond
Format: Article
Language:English
Subjects:
639/766/483/3925
639/766/483/481
Humanities and Social Sciences
multidisciplinary
Physics
Quantum dots
Science
Science (multidisciplinary)
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Summary:We analytically investigate two separated qubits inside an open cavity field. The cavity is initially prepared in a superposition coherent state. The non-locality correlations [including trace norm measurement induced non-locality, maximal Bell-correlation, and concurrence entanglement] of the two qubits are explored. It is shown that, the generated non-locality correlations crucially depend on the decay and the initial coherence intensity of the cavity field. The enhancement of the initial coherence intensity and its superposition leads to increasing the generated non-locality correlations. The phenomena of sudden birth and death entanglement are found.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-019-55548-2