Multiplicative Noise in Non-equilibrium Phase Transitions: A tutorial

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Stochastic phenomena in which the noise amplitude is proportional to the fluctuating variable itself, usually called {\it multiplicative noise}, appear ubiquitously in physics, biology, economy and social sciences. The properties of spatially extended systems with this type of stochasticity, paying special attention to the {\it non-equilibrium phase transitions} these systems may exhibit, are reviewed here. In particular we study and classify the possible universality classes of such transitions, and discuss some specific physical realizations including depinning transitions of non-equilibrium interfaces, non-equilibrium wetting phenomena, synchronization of spatially extended systems and many others.
Review article to appear in ``Advances in Condensed Matter and Statistical Mechanics", Ed. E. Korutcheva and R. Cuerno. To be published by Nova Science Publishers. 43 pages. 9 eps figures. References updated and new figure added

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/21133

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0303650
 http://arxiv.org/abs/cond-mat/0303650

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arXiv