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High frequency stochastic resonance in SQUIDs

Kaufman, I. Kh. and Luchinsky, D. G. and McClintock, Peter V. E. and Soskin, S. M. and Stein, N. D. (1996) High frequency stochastic resonance in SQUIDs. Physics Letters A, 220 (4-5). pp. 219-223. ISSN 0375-9601

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Abstract

It is shown theoretically and by analogue electronic experiment that stochastic resonance (SR), in which a weak periodic signal can be optimally enhanced by the addition of noise of appropriate intensity, is to be anticipated in underdamped SQUIDs (superconducting quantum interference devices). It manifests under conditions quite unlike those needed for classical SR, which is restricted to low frequencies and confined to systems that are both overdamped and bistable. The zero-dispersion SR reported here can be expected over a vastly wider, tuneable, range of high frequencies in highly underdamped SQUIDs that need not necessarily be bistable.

Item Type: Article
Journal or Publication Title: Physics Letters A
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 32062
Deposited By: Professor P. V. E. McClintock
Deposited On: 09 Mar 2010 09:51
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 17:05
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/32062

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