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Pis'ma v Zh. Èksper. Teoret. Fiz., 2018, Volume 107, Issue 1, Pages 54–61 (Mi jetpl5466)  

This article is cited in 1 scientific paper (total in 1 paper)

CONDENSED MATTER

Determination of the current-phase relation in Josephson junctions by means of an asymmetric two-junction SQUID

L. V. Ginzburgab, I. E. Batovab, V. V. Bol'ginovbc, S. V. Egorovb, V. I. Chichkovd, A. E. Shchegolevefc, N. V. Klenoveafcg, I. I. Solovievacg, S. V. Bakurskiyac, M. Yu. Kupriyanovac

a Moscow Institute of Physics and Technology (State University), Dolgoprudnyi, Moscow region, Russia
b Institute of Solid State Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, Russia
c Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia
d National University of Science and Technology MISiS, Moscow, Russia
e Faculty of Physics, Lomonosov Moscow State University
f Moscow Technical University of Communications and Informatics, Moscow, Russia
g Moscow Technological University (MIREA), Moscow, Russia

Abstract: An analytical approach that makes it possible to reconstruct the current-phase relation (CPR) in Josephson structures included in one of the arms of a two-junction superconducting quantum interference device (SQUID), where the second junction has a significantly higher critical current and a known (sinusoidal) CPR, has been developed. The developed methods of analytical and numerical studies of current-flow transformations in two-junction SQUIDs make it possible to reconstruct the CPR of a junction with a low critical current taking into account both the existence of the self-inductance of the interferometer contour and a possible asymmetry in the supply current system. The efficiency of this approach has been confirmed by the experimental study of niobium-aluminum/aluminum oxide-niobium test structures with the known CPR.

Funding Agency Grant Number
Russian Science Foundation 17-12-01079
Russian Foundation for Basic Research 17-02-00933_


DOI: https://doi.org/10.7868/S0370274X18010101

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English version:
Journal of Experimental and Theoretical Physics Letters, 2018, 107:1, 48–54

Bibliographic databases:

Received: 07.11.2017
Revised: 21.11.2017

Citation: L. V. Ginzburg, I. E. Batov, V. V. Bol'ginov, S. V. Egorov, V. I. Chichkov, A. E. Shchegolev, N. V. Klenov, I. I. Soloviev, S. V. Bakurskiy, M. Yu. Kupriyanov, “Determination of the current-phase relation in Josephson junctions by means of an asymmetric two-junction SQUID”, Pis'ma v Zh. Èksper. Teoret. Fiz., 107:1 (2018), 54–61; JETP Letters, 107:1 (2018), 48–54

Citation in format AMSBIB
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\paper Determination of the current-phase relation in Josephson junctions by means of an asymmetric two-junction SQUID
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2018
\vol 107
\issue 1
\pages 54--61
\mathnet{http://mi.mathnet.ru/jetpl5466}
\crossref{https://doi.org/10.7868/S0370274X18010101}
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\transl
\jour JETP Letters
\yr 2018
\vol 107
\issue 1
\pages 48--54
\crossref{https://doi.org/10.1134/S0021364018010058}
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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Soloviev I.I., Schegolev A.E., Klenov N.V., Bakurskiy S.V., Kupriyanov M.Yu., Tereshonok M.V., Shadrin A.V., Stolyarov V.S., Golubov A.A., J. Appl. Phys., 124:15 (2018), 152113  crossref  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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