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Fluctuations in domain growth: Ginzburg-Landau equations with multiplicative noise

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Ginzburg-Landau equations with multiplicative noise are considered, to study the effects of fluctuations in domain growth. The equations are derived from a coarse-grained methodology and expressions for the resulting concentration-dependent diffusion coefficients are proposed. The multiplicative noise gives contributions to the Cahn-Hilliard linear-stability analysis. In particular, it introduces a delay in the domain-growth dynamics.

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RAMÍREZ PISCINA, Laureano, HERNÁNDEZ MACHADO, Aurora and SANCHO, José M. Fluctuations in domain growth: Ginzburg-Landau equations with multiplicative noise. Physical Review B. 1993. Vol. 48, num. 1, pags. 119-124. ISSN 0163-1829. [consulted: 1 of June of 2026]. Available at: https://hdl.handle.net/2445/9887

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