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Title: Intrinsic noise-induced phase transitions: Beyond the noise interpretation
Author: Carrillo, O.
Ibañes Miguez, Marta
García Ojalvo, Jordi
Casademunt i Viader, Jaume
Sancho, José M.
Keywords: Física estadística
Sistemes dinàmics diferenciables
Equacions d'estat
Transformacions de fase (Física estadística)
Statistical physics
Differentiable dynamical systems
Equations of state
Phase transformations (Statistical physics)
Issue Date: 2003
Publisher: The American Physical Society
Abstract: We discuss intrinsic noise effects in stochastic multiplicative-noise partial differential equations, which are qualitatively independent of the noise interpretation (Itô vs Stratonovich), in particular in the context of noise-induced ordering phase transitions. We study a model which, contrary to all cases known so far, exhibits such ordering transitions when the noise is interpreted not only according to Stratonovich, but also to Itô. The main feature of this model is the absence of a linear instability at the transition point. The dynamical properties of the resulting noise-induced growth processes are studied and compared in the two interpretations and with a reference Ginzburg-Landau-type model. A detailed discussion of a different numerical algorithm valid for both interpretations is also presented.
Note: Reproducció del document publicat a:
It is part of: Physical Review E, 2003, vol. 67, p. 046110(1)-046110(9)
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Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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