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Lévy noise-induced effects in a long Josephson junction in the presence of two different spatial noise distributions

Author

Listed:
  • Guarcello, Claudio
  • Filatrella, Giovanni
  • De Santis, Duilio
  • Spagnolo, Bernardo
  • Valenti, Davide

Abstract

We analyze the impact of Lévy-distributed stochastic fluctuations on the average switching time and voltage drop across a current-biased long Josephson tunnel junction. We compare the system’s response for two spatial configurations of time-dependent noise, i.e., homogeneous and distributed along the junction length. The response of the Josephson junction is explored by varying the characteristic parameter of the Lévy source, i.e., the α stability index and the noise intensity. These findings offer an effective tool to characterize a Lévy component possibly embedded in an unknown noise signal.

Suggested Citation

  • Guarcello, Claudio & Filatrella, Giovanni & De Santis, Duilio & Spagnolo, Bernardo & Valenti, Davide, 2024. "Lévy noise-induced effects in a long Josephson junction in the presence of two different spatial noise distributions," Chaos, Solitons & Fractals, Elsevier, vol. 187(C).
    • Handle: RePEc:eee:chsofr:v:187:y:2024:i:c:s0960077924009731
    DOI: 10.1016/j.chaos.2024.115421
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