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Observation of zero-dispersion peaks in the fluctuation spectrum of an underdamped single-well oscillator.

Stocks, N. G. and McClintock, Peter V. E. and Soskin, S. M. (1993) Observation of zero-dispersion peaks in the fluctuation spectrum of an underdamped single-well oscillator. Europhysics Letters, 21 (4). pp. 395-400.

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Abstract

It is demonstrated by analogue electronic experiment that the fluctuation spectra of single-well oscillators can sometimes display a twin-peaked structure. The results for the particular system considered confinn and illustrate for the fIrst time the earlier general prediction of zero-dispersion (additional) peaks in the spectra of underdamped systems possessing an extremum in the dependence of their eigenfrequency on energy. The corresponding large, noise-enhanced, susceptibility implies the existence of stochastic resonance in such systems.

Item Type: Article
Journal or Publication Title: Europhysics Letters
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 32154
Deposited By: Professor P. V. E. McClintock
Deposited On: 16 Mar 2010 11:18
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 17:06
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/32154

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