均聚物塌缩过程中的标度律:格点与非格点
Scaling laws during collapse of a homopolymer: Lattice versus off-lattice
摘要:
我们提出了比较结果从模拟的晶格和非晶格模型的均聚物,在崩溃过渡的动力学的背景下。比较了与坍缩时间、团簇粗化和老化行为相关的标度律。虽然在这两个模型中的集群增长是独立的温度,相关的指数原来是不同的。相反,老化和相关的标度性能被发现是普遍的,与非平衡自相关指数服从最近导出的约束。
英文摘要:
We present comparative results from simulations of a lattice and an off-lattice model of a homopolymer, in the context of kinetics of the collapse transition. Scaling laws related to the collapse time, cluster coarsening and aging behavior are compared. Although in both models the cluster growth is independent of temperature, the related exponents turn out to be different. Conversely, the aging and associated scaling properties are found to be universal, with the nonequilibrium autocorrelation exponent obeying a recently derived bound.
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