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Dynamics of a SQUID with topologically nontrivial barriers

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Abstract

The phase dynamics of a SQUID consisting of Josephson junctions with topologically nontrivial barriers has been studied. Its comparative analysis with the dynamics of a conventional SQUID has been performed. The current–voltage characteristics have been calculated. The dependence of the return current on the magnetic field has been found. It has been shown that the branch of the current–voltage characteristic corresponding to the resonance frequency in the case of the SQUID with nontrivial barriers is displaced by \(\sqrt 2 \) over voltage. This effect can be used for the detection of Majorana fermions.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Moscow region, 141980, Russia

    I. R. Rahmonov & Yu. M. Shukrinov

  2. Umarov Physical and Technical Institute, Academy of Sciences of the Republic of Tajikistan, Dushanbe, 734063, Tajikistan

    I. R. Rahmonov

  3. Dubna University, Dubna, Moscow region, 141980, Russia

    Yu. M. Shukrinov

  4. Cairo University, Giza, 12613, Egypt

    R. Dawood

Authors
  1. I. R. Rahmonov
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  2. Yu. M. Shukrinov
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  3. R. Dawood
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Correspondence to I. R. Rahmonov.

Additional information

Original Russian Text © I.R. Rahmonov, Yu.M. Shukrinov, R. Dawood, 2016, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2016, Vol. 103, No. 6, pp. 444–447.

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Rahmonov, I.R., Shukrinov, Y.M. & Dawood, R. Dynamics of a SQUID with topologically nontrivial barriers. Jetp Lett. 103, 395–398 (2016). https://doi.org/10.1134/S0021364016060102

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  • DOI: https://doi.org/10.1134/S0021364016060102

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