%0 Journal Article %T Multiscale Random-Walk Algorithm for Simulating Interfacial Pattern Formation %A Mathis Plapp %A Alain Karma %J Physics %D 1999 %I arXiv %R 10.1103/PhysRevLett.84.1740 %X We present a novel computational method to simulate accurately a wide range of interfacial patterns whose growth is limited by a large scale diffusion field. To illustrate the computational power of this method, we demonstrate that it can be used to simulate three-dimensional dendritic growth in a previously unreachable range of low undercoolings that is of direct experimental relevance. %U http://arxiv.org/abs/cond-mat/9906370v2