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Life time of superconductive state in long overlap Josephson junction

2006/07/28 by K. G. Fedorov, Kirill G. Fedorov, Fedorov, K. G. +2
Engineering · Physics and Astronomy · #Advanced Electrical Measurement Techniques #Disordered Systems and Neural Networks (cond-mat.dis-nn) #FOS: Physical sciences #Physics of Superconductivity and Magnetism #Quantum and electron transport phenomena #Superconductivity (cond-mat.supr-con) #cond-mat.dis-nn #cond-mat.supr-con

paper · pdf · doi:10.48550/arxiv.cond-mat/0607757

4 pages, 7 figures

openalex publication_date 2006/07/28 · arxiv created 2006/08/04 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The computer simulations of fluctuational dynamics of the long overlap Josephson junction in the frame of the sine-Gordon model with a white noise source have been performed. It has been demonstrated that for the case of constant critical current density the mean life time (MLT) of superconductive state increases with increasing the junction's length and for homogeneous bias current distribution MLT tends to a constant, while for inhomogeneous current distribution MLT quickly decreases after approaching of a few Josephson lengths. The mean voltage versus junction length behaves inversely in comparison with MLT.

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