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

被引：1
|
作者：
Guarcello, Claudio [1 ,2 ]
Filatrella, Giovanni [2 ,3 ]
De Santis, Duilio [4 ]
Spagnolo, Bernardo [4 ,5 ]
Valenti, Davide [4 ]
机构：
[1] Univ Salerno, Dipartimento Fis ER Caianiello, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy
[2] Complesso Univ Monte S Angelo, Sez Napoli Grp Collegato Salerno, INFN, I-80126 Naples, Italy
[3] Univ Sannio, Dept Sci & Technol, Salerno unit, CNISM, Via Port Arsa 11, I-82100 Benevento, Italy
[4] Univ Studi Palermo, Dipartimento Fis & Theoret Phys, Grp Interdisciplinary Theoret Phys, Viale Sci,Edificio 18, I-90128 Palermo, Italy
[5] Lobachevsky Univ, Stochast Multistable Syst Lab, Nizhnii Novgorod 603950, Russia
来源：
CHAOS SOLITONS & FRACTALS | 2024年 / 187卷
关键词：
Levy noise; Long Josephson junctions; Average switching time; Nonequilibrium statistical mechanics; TIME CHARACTERISTICS; SYSTEMS DRIVEN; DYNAMICS; DIFFUSION; SOLITONS; FLIGHTS; STATE; MODEL;
D O I：
10.1016/j.chaos.2024.115421
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We analyze the impact of Levy-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 Levy source, i.e., the alpha stability index and the noise intensity. These findings offer an effective tool to characterize a Levy component possibly embedded in an unknown noise signal.
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页数：7
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