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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2022, Volume 115, Issue 8, Pages 520–527
DOI: https://doi.org/10.31857/S1234567822080092 (Mi jetpl6656) 		 
This article is cited in 1 scientific paper (total in 1 paper)

QUANTUM INFORMATION SCIENCE

Study of the coherence and entanglement of macroscopic quantum interfering alternatives

Yu. I. Bogdanov, N. A. Bogdanova, D. V. Fastovets, V. F. Lukichev

Valiev Institute of Physics and Technology, Russian Academy of Sciences, Moscow, 117218 Russia
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DOI: https://doi.org/10.31857/S1234567822080092
Abstract: An approach has been proposed to calculate the coherence and interference characteristics of macroscopic quantum systems. A general method of the analysis of two-particle quantum systems based on the Schmidt decomposition has been presented to analyze quantum entanglement between the system and environment, as well as the coherence of interfering alternatives. Simple relations have been obtained between the coherence, interference visibility, and Schmidt number. The developed method has been applied to multimode quantum states of Schrödinger's cat.
Funding agency Grant number
Russian Science Foundation 22-12-00263
Foundation for the Development of Theoretical Physics and Mathematics BASIS 20-1-1-34-1
This work was supported by the Russian Science Foundation (project no. 22-12-00263) and the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS (project no. 20-1-1-34-1).
Received: 08.02.2022
Revised: 14.03.2022
Accepted: 18.03.2022
English version:
Journal of Experimental and Theoretical Physics Letters, 2022, Volume 115, Issue 8, Pages 484–490
DOI: https://doi.org/10.1134/S0021364022100459
Document Type: Article
Language: Russian
Citation: Yu. I. Bogdanov, N. A. Bogdanova, D. V. Fastovets, V. F. Lukichev, “Study of the coherence and entanglement of macroscopic quantum interfering alternatives”, Pis'ma v Zh. Èksper. Teoret. Fiz., 115:8 (2022), 520–527; JETP Letters, 115:8 (2022), 484–490
Citation in format AMSBIB
\Bibitem{BogBogFas22}
\by Yu.~I.~Bogdanov, N.~A.~Bogdanova, D.~V.~Fastovets, V.~F.~Lukichev
\paper Study of the coherence and entanglement of macroscopic quantum interfering alternatives
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2022
\vol 115
\issue 8
\pages 520--527
\mathnet{http://mi.mathnet.ru/jetpl6656}
\crossref{https://doi.org/10.31857/S1234567822080092}
\transl
\jour JETP Letters
\yr 2022
\vol 115
\issue 8
\pages 484--490
\crossref{https://doi.org/10.1134/S0021364022100459}
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  • https://www.mathnet.ru/eng/jetpl6656
  • https://www.mathnet.ru/eng/jetpl/v115/i8/p520
    • This publication is cited in the following 1 articles:
    1. Yu I Bogdanov, I A Dmitriev, B I Bantysh, N A Bogdanova, V F Lukichev, Laser Phys. Lett., 20:6 (2023), 065202  crossref
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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    References:22
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