Skip to main content
SpringerLink
Log in

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

  • Condensed Matter
  • Published:
JETP Letters Aims and scope Submit manuscript

Abstract

Near the critical temperature of a superconducting transition, the energy of the threshold perturbation δF thr that transfers a superconducting bridge to a resistive state at a current below the critical current I c has been determined. It has been shown that δF thr increases with a decrease in the length of a bridge for short bridges with lengths L < ξ (where ξ is the coherence length) and is saturated for long bridges with L ≫ ξ. At certain geometrical parameters of banks and bridge, the function δF thr(L) at the current I → 0 has a minimum at L ~ (2–3)ξ. 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 ~(2–3)ξ is enhanced.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. T. Fulton and L. N. Dunkleberger, Phys. Rev. B 9, 4760 (1974).

    Article  ADS  Google Scholar 

  2. M. Sahu, M. H. Bae, A. Rogachev, D. Pekker, T. C. Wei, N. Shah, P. M. Goldbart, and A. Bezryadin, Nature Phys. 5, 503 (2009).

    Article  ADS  Google Scholar 

  3. P. Li, P. M. Wu, Y. Bomze, I. V. Borzenets, G. Finkelstein, and A. M. Chang, Phys. Rev. Lett. 107, 137004 (2011).

    Article  ADS  Google Scholar 

  4. K. Yu. Arutyunov, D. S. Golubev, and A. D. Zaikin, Phys. Rep. 464, 1 (2008).

    Article  ADS  Google Scholar 

  5. J. E. Mooij and C. J. P. M. Harmans, New J. Phys. 7, 219 (2005).

    Article  ADS  MathSciNet  Google Scholar 

  6. J. S. Langer and V. Ambegaokar, Phys. Rev. 164, 498 (1967).

    Article  ADS  Google Scholar 

  7. M. Tinkham, J. U. Free, C. N. Lau, and N. Markovic, Phys. Rev. B 68, 134515 (2003).

    Article  ADS  Google Scholar 

  8. S. L. Chu, A. T. Bollinger, and A. Bezryadin, Phys. Rev. B 70, 214506 (2004).

    Article  ADS  Google Scholar 

  9. L. G. Aslamazov and A. I. Larkin, JETP Lett. 9, 87 (1969).

    ADS  Google Scholar 

  10. M. Tinkham, Introduction to Superconductivity, 2nd ed. (McGraw-Hill, New York, 1996).

    Google Scholar 

  11. D. Yu. Vodolazov, Phys. Rev. B 85, 174507 (2012).

    Article  ADS  Google Scholar 

  12. W. A. Little, Phys. Rev. 156, 396 (1967).

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

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

    P. M. Marychev & D. Yu. Vodolazov

Authors
  1. P. M. Marychev
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. D. Yu. Vodolazov
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to P. M. Marychev.

Additional information

Original Russian Text © P.M. Marychev, D.Yu. Vodolazov, 2016, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2016, Vol. 103, No. 6, pp. 458–463.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Marychev, P.M., Vodolazov, D.Y. Threshold perturbations in current-carrying superconducting bridges with a finite length near the critical temperature. Jetp Lett. 103, 409–414 (2016). https://doi.org/10.1134/S0021364016060072

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S0021364016060072

Search

Navigation