Abstract We study two models for Josephson junctions, i.e., a Gaussian white noise model and a symmetric dichotomous noises model. In this study we find that the correlated symmetric noises can produce a net voltage. This phenomenon is due to the correlation between the additive and the multiplicative noises. We show some characteristic features for this phenomenon: the net voltage is always negative and has a peak value when the strength of the additive noises varies for the former model(or when the strengths of the noises vary for the latter model). The results provide a theoretical foundation for reducing the net voltage caused by the correlated symmetric noises.
Received: 16 September 1996
Accepted manuscript online:
Fund: Project supported by the State Education Commission through the Foundation of Doctoral Training, and by the National Basic Research Project "Nonlinear Science" of China.
Cite this article:
LI JING-HUI (李静辉), HUANG ZU-QIA (黄祖洽) SUPERCONDUCTING JUNCTIONS IN THE CASE OF CORRELATED SYMMETRIC NOISES 1997 Acta Physica Sinica (Overseas Edition) 6 348
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