Josephson junction with noise

V. Berdichevsky, M. Gitterman

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


We analyze the voltage-current characteristics of a Josephson junction subject to multiplicative noise with and without additive noise. An analytical solution was obtained for the dichotomous multiplicative noise as well as for the forms of the voltage-current characteristics for different noise amplitudes and rates. Nonmonotonic behavior was found for the voltage as a function of noise rate (stochastic resonance). The cooperative action of additive and multiplicative noises results in a voltage larger than that predicted from Ohm’s law. The ratchet effect and limit cases of weak and strong noises are analyzed in detail.

Original languageEnglish
Pages (from-to)6340-6354
Number of pages15
JournalPhysical Review E
Issue number6
StatePublished - 1997


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