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Generation of travelling sine-Gordon breathers in noisy long Josephson junctions

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  • De Santis, Duilio
  • Guarcello, Claudio
  • Spagnolo, Bernardo
  • Carollo, Angelo
  • Valenti, Davide

Abstract

The generation of travelling sine-Gordon breathers is achieved through the nonlinear supratransmission effect in a magnetically driven long Josephson junction, in the presence of losses, a current bias, and a thermal noise source. We demonstrate how to exclusively induce breather modes by means of controlled magnetic pulses. A nonmonotonic behavior of the breather-only generation probability is observed as a function of the noise intensity. An experimental protocol providing evidence of the Josephson breather's existence is proposed.

Suggested Citation

  • De Santis, Duilio & Guarcello, Claudio & Spagnolo, Bernardo & Carollo, Angelo & Valenti, Davide, 2022. "Generation of travelling sine-Gordon breathers in noisy long Josephson junctions," Chaos, Solitons & Fractals, Elsevier, vol. 158(C).
    • Handle: RePEc:eee:chsofr:v:158:y:2022:i:c:s0960077922002491
    DOI: 10.1016/j.chaos.2022.112039
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    References listed on IDEAS

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    1. A. Wallraff & A. Lukashenko & J. Lisenfeld & A. Kemp & M. V. Fistul & Y. Koval & A. V. Ustinov, 2003. "Quantum dynamics of a single vortex," Nature, Nature, vol. 425(6954), pages 155-158, September.
    2. D. Gulevich & M. Gaifullin & F. Kusmartsev, 2012. "Controlled dynamics of sine-Gordon breather in long Josephson junctions," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 85(1), pages 1-5, January.
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    1. De Santis, Duilio & Guarcello, Claudio & Spagnolo, Bernardo & Carollo, Angelo & Valenti, Davide, 2023. "Ac-locking of thermally-induced sine-Gordon breathers," Chaos, Solitons & Fractals, Elsevier, vol. 170(C).
    2. Pankratov, A.L. & Revin, L.S. & Pankratova, E.V. & Shitov, S.V., 2024. "Oscillations in a Josephson junction lattice stimulated by a common load," Chaos, Solitons & Fractals, Elsevier, vol. 182(C).
    3. De Santis, Duilio & Guarcello, Claudio & Spagnolo, Bernardo & Carollo, Angelo & Valenti, Davide, 2023. "Breather dynamics in a stochastic sine-Gordon equation: Evidence of noise-enhanced stability," Chaos, Solitons & Fractals, Elsevier, vol. 168(C).

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    1. De Santis, Duilio & Guarcello, Claudio & Spagnolo, Bernardo & Carollo, Angelo & Valenti, Davide, 2023. "Ac-locking of thermally-induced sine-Gordon breathers," Chaos, Solitons & Fractals, Elsevier, vol. 170(C).
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