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

Claudio Guarcello, Giovanni Filatrella, Duilio De Santis, Bernardo Spagnolo and Davide Valenti

Chaos, Solitons & Fractals, 2024, vol. 187, issue C

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.

Keywords: Lévy noise; Long Josephson junctions; Average switching time; Nonequilibrium statistical mechanics (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:187:y:2024:i:c:s0960077924009731

DOI: 10.1016/j.chaos.2024.115421

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