Journal
EUROPEAN PHYSICAL JOURNAL B
Volume 78, Issue 2, Pages 225-234Publisher
SPRINGER
DOI: 10.1140/epjb/e2010-10106-1
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- MIUR
- CNISM-INFM
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The role of thermal and non-Gaussian noise on the dynamics of driven short overdamped Josephson junctions is studied. The mean escape time of the junction is investigated considering Gaussian, Cauchy-Lorentz and L,vy-Smirnov probability distributions of the noise signals. In these conditions we find resonant activation and the first evidence of noise enhanced stability in a metastable system in the presence of L,vy noise. For Cauchy-Lorentz noise source, trapping phenomena and power law dependence on the noise intensity are observed.
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