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Pregelation Behaviour of Coagulation Processes with the Constant-Reaction-Number Kernel
引用本文:柯见洪 林振权 陈效双. Pregelation Behaviour of Coagulation Processes with the Constant-Reaction-Number Kernel[J]. 中国物理快报, 2006, 23(3): 720-723
作者姓名:柯见洪 林振权 陈效双
作者单位:[1]School of Phvsics and Electronic Information, Wenzhou University, Wenzhou 325027 [2]National Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083
基金项目:Supported by the National Natural Science Foundation of China under Grant Nos 10305009 and 10275048, and the Zhejiang Provincial Natural Science Foundation of China under Grant No 102067.
摘    要:We propose an irreversible binary coagulation model with a constant-reaction-number kernel, in which, among all the possible binary coagulation reactions, only p reactions are permitted to take place at every time. By means of the generalized rate equation we investigate the kinetic behaviour of the system with the reaction rate kernel K(i;j) = (ij)^w (0 ≤w〈1/2), at which an i-mer and a j-mer coagulate together to form a large one. It is found that for such a system there always exists a gelation transition at a finte time to, which is in contrast to the ordinary binary coagulation with the same rate kernel. Moreover, the pre-gelation behaviour of the cluster size distribution near the gelation point falls in a scaling regime and the typical cluster size grows as (to - t)-1/(1-2w). On the other hand, our model can also provide some predictions for the evolution of the cluster distribution in multicomponent complex networks.

关 键 词:凝结过程 多组份复杂网络 凝胶 蔟尺寸分配 非平衡动力学
收稿时间:2005-12-01
修稿时间:2005-12-01

Pregelation Behaviour of Coagulation Processes with the Constant-Reaction-Number Kernel
KE Jian-Hong, LIN Zhen-quan, CHEN Xiao-Shuang. Pregelation Behaviour of Coagulation Processes with the Constant-Reaction-Number Kernel[J]. Chinese Physics Letters, 2006, 23(3): 720-723
Authors:KE Jian-Hong   LIN Zhen-quan   CHEN Xiao-Shuang
Abstract:
Keywords:
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