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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2018, Volume 107, Issue 1, Pages 54–61
DOI: https://doi.org/10.7868/S0370274X18010101 (Mi jetpl5466) 		 
This article is cited in 10 scientific papers (total in 10 papers)

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
Full-text PDF (461 kB) Citations (10)
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DOI: https://doi.org/10.7868/S0370274X18010101
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_а
Received: 07.11.2017
Revised: 21.11.2017
English version:
Journal of Experimental and Theoretical Physics Letters, 2018, Volume 107, Issue 1, Pages 48–54
DOI: https://doi.org/10.1134/S0021364018010058
Bibliographic databases:
Document Type: Article
Language: Russian
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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    • This publication is cited in the following 10 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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