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Pis'ma v Zh. Èksper. Teoret. Fiz., 2016, Volume 103, Issue 6, Pages 458–463 (Mi jetpl4898)  

This article is cited in 2 scientific papers (total in 2 papers)

CONDENSED MATTER

Threshold perturbations in current-carrying superconducting bridges with a finite length near the critical temperature

P. M. Marychev, D. Yu. Vodolazov

Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, 603950, Russia

Abstract: Near the critical temperature of a superconducting transition, the energy of the threshold perturbation $\delta F_{\mathrm{thr}}$ that transfers a superconducting bridge to a resistive state at a current below the critical current $I_{\mathrm{c}}$ has been determined. It has been shown that $\delta F_{\mathrm{thr}}$ increases with a decrease in the length of a bridge for short bridges with lengths $L<\xi$ (where $\xi$ is the coherence length) and is saturated for long bridges with $L\gg\xi$. At certain geometrical parameters of banks and bridge, the function $\delta F_{\mathrm{thr}}(L)$ at the current $I\to0$ has a minimum at $L\sim(2-3)\xi$. These results indicate that the effect of fluctuations on Josephson junctions made in the form of short superconducting bridges is reduced and that the effect of fluctuations on bridges with lengths $\sim(2-3)\xi$ is enhanced.

Funding Agency Grant Number
Russian Foundation for Basic Research 15-42-02365_р_поволжье_а


DOI: https://doi.org/10.7868/S0370274X16060096

Full text: PDF file (366 kB)
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English version:
Journal of Experimental and Theoretical Physics Letters, 2016, 103:6, 409–414

Bibliographic databases:

Document Type: Article
Received: 26.01.2016
Revised: 15.02.2016

Citation: P. M. Marychev, D. Yu. Vodolazov, “Threshold perturbations in current-carrying superconducting bridges with a finite length near the critical temperature”, Pis'ma v Zh. Èksper. Teoret. Fiz., 103:6 (2016), 458–463; JETP Letters, 103:6 (2016), 409–414

Citation in format AMSBIB
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\by P.~M.~Marychev, D.~Yu.~Vodolazov
\paper Threshold perturbations in current-carrying superconducting bridges with a finite length near the critical temperature
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2016
\vol 103
\issue 6
\pages 458--463
\mathnet{http://mi.mathnet.ru/jetpl4898}
\crossref{https://doi.org/10.7868/S0370274X16060096}
\elib{http://elibrary.ru/item.asp?id=26184401}
\transl
\jour JETP Letters
\yr 2016
\vol 103
\issue 6
\pages 409--414
\crossref{https://doi.org/10.1134/S0021364016060072}
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\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84975501604}


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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. P. M. Marychev, D. Yu. Vodolazov, “Threshold Fluctuations in a Superconducting Current-Carrying Bridge”, Supercond. Sci. Technol., 30:7 (2017), 075008  crossref  isi  scopus
    2. S. Khlebnikov, “Metastability and Bifurcation in Superconducting Nanorings”, Phys. Rev. B, 95:17 (2017), 174507  crossref  isi  scopus
  • Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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