Unifying nonclassical correlation via Tsallis α-entropy and its application in bilocal scenario

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F23%3A00370119" target="_blank" >RIV/68407700:21340/23:00370119 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.physa.2023.129250" target="_blank" >https://doi.org/10.1016/j.physa.2023.129250</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.physa.2023.129250" target="_blank" >10.1016/j.physa.2023.129250</a>

Result language
angličtina
Original language name
Unifying nonclassical correlation via Tsallis α-entropy and its application in bilocal scenario
Original language description
This article introduces a new variant of a family of measurement-induced nonlocality (MIN) measures using Tsallis alpha-relative entropy (T alpha E). We show that the proposed MIN measure satisfies all the axioms of a faithful measure of quantum correlation and resolves the local ancilla issue of Hilbert-Schmidt MIN. Analytically, we evaluate the MIN for an arbitrary pure state and 2 x n-dimensional mixed state. We also establish the simple relations between Tsallis MIN and the other MINs available in the literature. Extending the notion of the Tsallis entropy-based MIN, we characterize the nonbilocal correlation in a bilocal scenario and identify the closer connection between the nonlocal and nonbilocal correlation measures.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10300 - Physical sciences

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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