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Erschienen in: Quantum Information Processing 10/2021

01.10.2021

Asymmetry-induced nonclassical correlation

verfasst von: R. Muthuganesan, V. K. Chandrasekar

Erschienen in: Quantum Information Processing | Ausgabe 10/2021

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Abstract

In quantum resource theory (QRT), asymmetry recognized as a valid resource for the advantage of various quantum information processing. In this paper, we establish resource theory of asymmetry using quantum Fisher information (QFI). By defining the average Fisher information as a measure of asymmetry, it is shown that the discrepancy of bipartite global and local asymmetries naturally induces the nonclassical correlation between the subsystems. This measure satisfies all the necessary axioms of a faithful measure of bipartite quantum correlation. As an illustration, we have studied the proposed measure for an arbitrary pure state, a class of separable states and Bell diagonal state.

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Metadaten
Titel
Asymmetry-induced nonclassical correlation
verfasst von
R. Muthuganesan
V. K. Chandrasekar
Publikationsdatum
01.10.2021
Verlag
Springer US
Erschienen in
Quantum Information Processing / Ausgabe 10/2021
Print ISSN: 1570-0755
Elektronische ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-021-03272-0

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