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Optics and Spectroscopy, 2018, Volume 124, Issue 5, Pages 686–690
DOI: https://doi.org/10.21883/OS.2018.05.45953.313-17 (Mi os1011) 		 
This article is cited in 3 scientific papers (total in 3 papers)

Nonlinear and quantum optics

On quantitative determination of the degree of independence of qubit transformation by a quantum gate or channel

M. P. Faleevaa, I. Yu. Popova, I. Žežulab

a ITMO University, St. Petersburg, 197101, Russia
b Pavol Jozef Šafárik University in Košice, Košice, Slovakia
Citations (3)
DOI: https://doi.org/10.21883/OS.2018.05.45953.313-17
Abstract: A multiqubit channel (quantum gate) is considered. A procedure of calculating the distance from the quantum-gate matrix to the subspace of matrices, which are tensor products of the transformation matrices of qubit subsystems, is proposed. The value of this distance indicates the degree of independence of transformation of these qubit subsystems. The proposed approach is considered as applied to waveguide implementation of quantum bits.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation 074-U01
Russian Science Foundation 16-11-10330
Received: 22.12.2017
English version:
Optics and Spectroscopy, 2018, Volume 124, Issue 5, Pages 720–725
DOI: https://doi.org/10.1134/S0030400X18050077
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. P. Faleeva, I. Yu. Popov, I. Žežula, “On quantitative determination of the degree of independence of qubit transformation by a quantum gate or channel”, Optics and Spectroscopy, 124:5 (2018), 686–690; Optics and Spectroscopy, 124:5 (2018), 720–725
Citation in format AMSBIB
\Bibitem{FalPopZez18}
\by M.~P.~Faleeva, I.~Yu.~Popov, I.~{\v Z}e{\v z}ula
\paper On quantitative determination of the degree of independence of qubit transformation by a quantum gate or channel
\jour Optics and Spectroscopy
\yr 2018
\vol 124
\issue 5
\pages 686--690
\mathnet{http://mi.mathnet.ru/os1011}
\crossref{https://doi.org/10.21883/OS.2018.05.45953.313-17}
\elib{https://elibrary.ru/item.asp?id=32740180}
\transl
\jour Optics and Spectroscopy
\yr 2018
\vol 124
\issue 5
\pages 720--725
\crossref{https://doi.org/10.1134/S0030400X18050077}
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  • https://www.mathnet.ru/eng/os/v124/i5/p686
    • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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