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BERNARDO SPAGNOLO

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

  • Autori: De Santis D.; Guarcello C.; Spagnolo B.; Carollo A.; Valenti D.
  • Anno di pubblicazione: 2022
  • Tipologia: Articolo in rivista
  • OA Link: http://hdl.handle.net/10447/549123

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.