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arXiv 0904.4240cond-mat.stat-mech
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非平衡生长过程的无参数标度关系

Parameter free scaling relation for nonequilibrium growth processes

Yen-Liang Chou, Michel Pleimling

摘要:

我们讨论了一个参数自由标度关系,产生一个完整的数据崩溃的大类非平衡增长过程。我们说明了这种新的缩放关系的权力,通过各种增长模型,例如竞争性增长模型RD/RDSR(随机沉积/随机沉积与表面扩散)和RSOS(限制固体上固体)模型与不同的最近邻高度差,以及通过一个新的沉积模型与温度相关的扩散。新的比例关系相比,熟悉的家庭Vicsek关系和后者的局限性突出。

英文摘要:

We discuss a parameter free scaling relation that yields a complete data collapse for large classes of nonequilibrium growth processes. We illustrate the power of this new scaling relation through various growth models, as for example the competitive growth model RD/RDSR (random deposition/random deposition with surface diffusion) and the RSOS (restricted solid-on-solid) model with different nearest-neighbor height differences, as well as through a new deposition model with temperature dependent diffusion. The new scaling relation is compared to the familiar Family-Vicsek relation and the limitations of the latter are highlighted.

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