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Current-phase relation of double-barrier Josephson junctions with a two-gap superconductor as intermediate electrode

Abstract

The current-phase (I-ϕ) relation of a double-barrier Josephson junction with a two-gap superconductor as intermediate electrode is derived by means of a simplified version of Ohta’s model. As in conventional double-barrier Josephson junctions, a marked skewness in the I-ϕ curves is present. Moreover, as in heterotic Josephson devices, a reduction of the maximum Josephson current is predicted. An appropriate experiment to verify the rich behavior of this type of Josephson device is suggested.

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References

  1. 1.

    S. Sakai, P. Bodin, N.F. Pedersen, J. Appl. Phys. 73, 2411 (1993)

    ADS  Article  Google Scholar 

  2. 2.

    E. Goldobin, M.Yu. Kupryianov, I.P. Nevirkovets, A.V. Ustinov, M.G. Blamire, J.E. Evetts, Phys. Rev. B 58, 15078 (1998)

    ADS  Article  Google Scholar 

  3. 3.

    I.P. Nevirkovets, J.E. Evetts, M.G. Blamire, Z.H. Barber, E. Goldobin, Phys. Lett. A 232, 299 (1997)

    ADS  Article  Google Scholar 

  4. 4.

    C. Carapella, G. Costabile, R. De Luca, S. Pace, A. Polcari, C. Soriano, Physica C 259, 349 (1996)

    ADS  Article  Google Scholar 

  5. 5.

    R. De Luca, F. Romeo, Phys. Rev. B 79, 094516 (2009)

    ADS  Article  Google Scholar 

  6. 6.

    H. Ohta, in Superconducting Quantum Interference Devices and Their Applications, edited by H.D. Hahlbonm, H. Lübbig (De Gruyter, Berlin, 1977)

  7. 7.

    R.P. Feynman, R.B. Leighton, M. Sands, The Feynman’s Lectures on Physics (Addison Wesley, 1965), Vol. 3

  8. 8.

    R. De Luca, Physica C 470, 487 (2010)

    MathSciNet  ADS  Article  Google Scholar 

  9. 9.

    P. Seidel, Supercond. Sci. Technol. 24, 043001 (2011)

    ADS  Article  Google Scholar 

  10. 10.

    Y. Ota, M. Machida, T. Kyama, H. Matsumoto, Phys. Rev. Lett. 12, 237003 (2009)

    ADS  Article  Google Scholar 

  11. 11.

    M. Machida, Y. Nagai, Y. Ota, N. Nakai, H. Nakamura, N. Hayashi, Physica C 470, S372 (2010)

    ADS  Article  Google Scholar 

  12. 12.

    K. Ishida, Y. Nagai, H. Hosono, J. Phys. Soc. Jpn 78, 062001 (2009)

    ADS  Article  Google Scholar 

  13. 13.

    V. Stanev, Z. Tešanovi, Phys. Rev. B 81, 134522 (2010)

    ADS  Article  Google Scholar 

Download references

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Correspondence to Roberto De Luca.

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De Luca, R. Current-phase relation of double-barrier Josephson junctions with a two-gap superconductor as intermediate electrode. Eur. Phys. J. B 86, 294 (2013). https://doi.org/10.1140/epjb/e2013-40095-2

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Keywords

  • Mesoscopic and Nanoscale Systems