可逆聚集球的自扩散
Self diffusion of reversibly aggregating spheres
摘要：
模拟了刚性键硬球的可逆扩散限制团簇聚集过程，确定了平衡体系的自扩散系数。增加吸引力强度的效果，确定在不同的体积分数和不同的相互作用范围的系统。有人发现，由于拥挤的扩散系数的减慢是解耦的，由于团簇形成。扩散系数可以从团簇的尺寸分布计算，只有在无穷大的吸引力强度时，形成永久性凝胶时，扩散系数才为零。它的结论是，所谓的吸引力玻璃不形成在有限的相互作用强度。
英文摘要：
Reversible diffusion limited cluster aggregation of hard spheres with rigid bonds was simulated and the self diffusion coefficient was determined for equilibrated systems. The effect of increasing attraction strength was determined for systems at different volume fractions and different interaction ranges. It was found that the slowing down of the diffusion coefficient due to crowding is decoupled from that due to cluster formation. The diffusion coefficient could be calculated from the cluster size distribution and became zero only at infinite attraction strength when permanent gels are formed. It is concluded that so-called attractive glasses are not formed at finite interaction strength.
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