Phase transitions in relaxational systems with field-dependent coefficients

Javier Buceta; Katja Lindenberg

doi:10.1117/12.545828

25 May 2004 Phase transitions in relaxational systems with field-dependent coefficients

Javier Buceta, Katja Lindenberg

Proceedings Volume 5471, Noise in Complex Systems and Stochastic Dynamics II; (2004) https://doi.org/10.1117/12.545828
Event: Second International Symposium on Fluctuations and Noise, 2004, Maspalomas, Gran Canaria Island, Spain

Abstract

We present a comprehensive study of phase transitions in single-field extended systems that relax to a non-equilibrium global steady state. The mechanism we focus on is not the so-called Stratonovich drift but is instead similar to the one associated with noise-induced transitions a la Horsthemke-Lefever in zero-dimensional systems. As a consequence, the noise interpretation (e.g., Ito vs Stratonovich) merely shifts the phase boundaries. With the help of a mean-field approximation, we present a broad qualitative picture of the various phase diagrams that can be found in these systems.

Citation Download Citation

Javier Buceta and Katja Lindenberg "Phase transitions in relaxational systems with field-dependent coefficients", Proc. SPIE 5471, Noise in Complex Systems and Stochastic Dynamics II, (25 May 2004); https://doi.org/10.1117/12.545828

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