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Ac-locking of thermally-induced sine-Gordon breathers

Author

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

Abstract

A complete framework for exciting and detecting thermally-induced, stabilized sine-Gordon breathers in ac-driven annular long Josephson junctions is developed. The formation of long-time stable breathers locked to the ac source occurs for a sufficiently high temperature. The latter emerges as a powerful control parameter, allowing for the remarkably stable localized modes to appear. Nonmonotonic behaviors of both the breather generation probability and the energy spatial correlations versus the thermal noise strength are found. The junction’s resistive switching characteristics provides a clear experimental signature of the breather.

Suggested Citation

  • 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).
    • Handle: RePEc:eee:chsofr:v:170:y:2023:i:c:s0960077923002837
    DOI: 10.1016/j.chaos.2023.113382
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    References listed on IDEAS

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    1. 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).
    2. 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).
    3. 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. "Breather dynamics in a stochastic sine-Gordon equation: Evidence of noise-enhanced stability," Chaos, Solitons & Fractals, Elsevier, vol. 168(C).
    2. 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).

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