期刊
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION
卷 6, 期 -, 页码 801-806出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219749908004134
关键词
Josephson junction; colored noise; resonant activation; noise enhanced stability
We investigate the transient dynamics of a short overdamped Josephson junction with a periodic driving signal in the presence of colored noise. We analyze noise induced phenomena, specifically resonant activation and noise enhanced stability. We find that the positions both of the minimum of RA and maximum of NES depend on the value of the noise correlation time tau(c). Moreover, in the range where RA is observed, we find a non-monotonic behavior of the mean switching time as a function of tau(c).
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