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On the Role of Non Gaussian Noises on Noise Induced Phenomena

AutorWio, Horacio S.
Palabras claveNoise induced phenomena
Non-Gaussian noises
Fecha de publicación1-jul-2004
EditorOxford University Press
CitaciónNonextensive Entropy - Interdisciplinary Applications, M. Gell-Mann and C. Tsallis, Eds., 177-194 (Oxford University Press, 2004)
SerieSanta Fe Institute studies in the sciences of complexity. Proceedings volumes
ResumenMost of the studies on noise induced phenomena assume that the noise source is Gaussian (either white or colored). Here we present recent results on some of those noise induced phenomena when driven by a noise source taken as colored and non-Gaussian, generated by a nonextensive $q$-distribution. In all the cases analyzed we have found that the response of the system is strongly affected by a departure of the noise source from the Gaussian behavior, showing an enhancement and/or a marked broadening of the corresponding system´s response. The general result is that the value of the parameter q optimizing the system's response results to be q \neq 1 (where q = 1 corresponds to a Gaussian distribution). These results are of great relevance for many technological applications, as well as for some situations of medical interest like the noisy control of Wenckebach rhythms.
Descripción17 pages, 9 figures.-- Originally presented at the International Workshop on Interdisciplinary Applications of Ideas from Nonextensive Statistical Mechanics and Thermodynamics held at the Santa Fe Institute, New Mexico, Apr. 8-12 2002.
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