Multiplicative Noise in Non-equilibrium Phase Transitions: A tutorial

Details Multiplicative Noise in Non-equilibrium Phase Transitions: A tutorial Multiplicative Noise in Non-equilibrium Phase Transitions: A tutorial

2003-03-31

arxiv.org/abs/cond-mat/0303650v2

Physics

Condensed Matter

Review article to appear in ``Advances in Condensed Matter and Statistical Mechanics", Ed. E. Korutcheva and R. Cuerno. To be

Scientific paper

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.

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