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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2022, Volume 116, Issue 3, Pages 173–178
DOI: https://doi.org/10.31857/S1234567822150071 (Mi jetpl6727) 		 
This article is cited in 3 scientific papers (total in 3 papers)

CONDENSED MATTER

Contribution of fluctuations of the order parameter to the second harmonic generation in two-dimensional monomolecular superconductors

M. V. Boevab, V. M. Kovalevb

a Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
b Novosibirsk State Technical University, Novosibirsk, 630073 Russia
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DOI: https://doi.org/10.31857/S1234567822150071
Abstract: A theory of second harmonic generation in a two-dimensional superconductor in the fluctuation temperature regime has been developed within an approach based on the time-dependent Ginzburg–Landau equation. Expressions for the electric current that is induced by fluctuations of the order parameter and oscillates at the double frequency of the incident electromagnetic wave have been obtained. It has been shown that the effect has a significant singularity in temperature: the kinetic coefficients describing the second harmonic generation are inversely proportional to the square of the reduced temperature. The magnitude of the effect estimated for the two-dimensional superconductor based on a monomolecular molybdenum disulfide layer demonstrates the possibility of the experimental verification of the theory.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation FSUN-2020-0004
Foundation for the Development of Theoretical Physics and Mathematics BASIS
This work was supported by the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS and by the Ministry of Science and Higher Education of the Russian Federation (project no. FSUN-2020-0004).
Received: 13.05.2022
Revised: 22.06.2022
Accepted: 22.06.2022
English version:
Journal of Experimental and Theoretical Physics Letters, 2022, Volume 116, Issue 3, Pages 173–178
DOI: https://doi.org/10.1134/S0021364022601269
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: M. V. Boev, V. M. Kovalev, “Contribution of fluctuations of the order parameter to the second harmonic generation in two-dimensional monomolecular superconductors”, Pis'ma v Zh. Èksper. Teoret. Fiz., 116:3 (2022), 173–178; JETP Letters, 116:3 (2022), 173–178
Citation in format AMSBIB
\Bibitem{BoeKov22}
\by M.~V.~Boev, V.~M.~Kovalev
\paper Contribution of fluctuations of the order parameter to the second harmonic generation in two-dimensional monomolecular superconductors
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2022
\vol 116
\issue 3
\pages 173--178
\mathnet{http://mi.mathnet.ru/jetpl6727}
\crossref{https://doi.org/10.31857/S1234567822150071}
\edn{https://elibrary.ru/jgdzeo}
\transl
\jour JETP Letters
\yr 2022
\vol 116
\issue 3
\pages 173--178
\crossref{https://doi.org/10.1134/S0021364022601269}
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    Citing articles in Google Scholar: Russian citations, English citations
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