| Issue |
Europhys. Lett.
Volume 44, Number 4, November II 1998
|
|
|---|---|---|
| Page(s) | 409 - 415 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i1998-00487-7 | |
| Published online | 01 September 2002 | |
Noise effects on synchronized globally coupled oscillators
Departamento de Matemáticas and Grupo Interdisciplinar de Sistemas Complicados
Universidad Carlos III de Madrid - E-28911 Leganés, Madrid, Spain
Received:
20
July
1998
Accepted:
28
September
1998
The synchronized phase of globally coupled identical nonlinear oscillators subject to noise fluctuations is studied by means of a new analytical approach able to tackle general couplings, nonlinearities, and noise temporal correlations. Our results show that the interplay between coupling and noise modifies the effective frequency of the system in a nontrivial way. Whereas for linear couplings the effect of noise is always to increase the effective frequency, for nonlinear couplings the noise influence is shown to be positive or negative depending on the problem parameters. Possible experimental verification of the results is discussed.
PACS: 05.40.+j – Fluctuation phenomena, random processes, and Brownian motion / 05.45.+b – Theory and models of chaotic systems / 87.10.+e – General, theoretical, and mathematical biophysics
© EDP Sciences, 1998
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