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

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

Chaos, Solitons & Fractals, 2022, vol. 158, issue C

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.

Keywords: Long Josephson junctions; Travelling sine-Gordon breathers; Stochastic fluctuations; Nonlinear supratransmission (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:158:y:2022:i:c:s0960077922002491

DOI: 10.1016/j.chaos.2022.112039

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