Enhancement of Coherent Response by Quenched Disorder

Details Enhancement of Coherent Response by Quenched Disorder Enhancement of Coherent Response by Quenched Disorder

2004-12-30

arxiv.org/abs/cond-mat/0412752v1

Physics

Condensed Matter

Statistical Mechanics

4 pages, 3 figures, to appear in Phys. Rev. E

Scientific paper

10.1103/PhysRevE.71.021102

We investigate the effects of quenched disorder on the coherent response in a driven system of coupled oscillators. In particular, the interplay between quenched noise and periodic driving is explored, with particular attention to the possibility of resonance. The phase velocity is examined as the response of the system; revealed is the enhancement of the fraction of oscillators locked to the periodic driving, displaying resonance behavior. It is thus concluded that resonance behavior may also be induced by quenched disorder which does not have time-dependent correlations.

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