Wellposedness and regularity estimate for stochastic Cahn--Hilliard equation with unbounded noise diffusion

Abstract

In this article, we consider the stochastic Cahn--Hilliard equation driven by multiplicative space-time white noise with diffusion coefficient of sublinear growth. By introducing the spectral Galerkin method, we first obtain the well-posedness of the approximated equation in finite dimension. Then with the help of the semigroup theory and the factorization method, the approximation processes is shown to possess many desirable properties. Further, we show that the approximation process is strongly convergent in certain Banach space via the interpolation inequality and variational approach. Finally, the global existence and regularity estimate of the unique solution process are proven by means of the strong convergence of the approximation process.

arXiv comment23 pages

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Cited by in corpus (3)

• Strong convergence rates of an explicit scheme for stochastic Cahn--Hilliard equation with additive noise
• Energy-preserving exponential integrable numerical method for stochastic cubic wave equation with additive noise
• Absolute continuity and numerical approximation of stochastic Cahn--Hilliard equation with unbounded noise diffusion