胶体沉积时晶体-流体界面的巨大加宽
Huge broadening of the crystal-fluid interface for sedimenting colloids
摘要：
对于沉积胶体硬球，晶体-流体界面的传播和加宽的研究布朗动力学计算机模拟的初始均匀的样品。观察到两种不同类型的界面加宽：第一种发生在生长过程中，与界面速度相关，第二种是伴随着晶体-流体界面分裂成晶体-非晶和非晶-液体界面。后者的宽度强烈的峰值作为一个函数的引力驱动强度与一个巨大的振幅相对于其平衡对应。
英文摘要：
For sedimenting colloidal hard spheres, the propagation and broadening of the crystal-fluid interface is studied by Brownian dynamics computer simulations of an initially homogeneous sample. Two different types of interface broadenings are observed: the first occurs during growth and is correlated with the interface velocity, the second is concomitant with the splitting of the crystal-fluid interface into the crystal-amorphous and amorphous-liquid interfaces. The latter width is strongly peaked as a function of the gravitational driving strength with a huge amplitude relative to its equilibrium counterpart.
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