扩散与次扩散台阶动力学
凝聚态物理
2009-10-31 v1
摘要
我们考虑了晶体表面台阶的动力学。一般来说，台阶的蜿蜒行为服从次扩散行为。特征渐近时间定律取决于原子在台阶处脱离和附着的微观机制。我们在朗之万描述和蒙特卡洛模拟的框架下研究了台阶边缘扩散、蒸发-凝聚和平台扩散这三种极限情况。
引用
@article{arxiv.cond-mat/9805371,
title = {Diffusive and subdiffusive step dynamics},
author = {W. Selke and M. Bisani},
journal= {arXiv preprint arXiv:cond-mat/9805371},
year = {2009}
}
备注
11 pages, 4 figures included, needs lamuphys.sty, to appear in Anomalous Diffusion: from Basis to Applications (Lecture Notes in Physics, Springer); eds.: R. Kutner, A. Pekalski and K. Sznajd-Weron