单分散和Flory分布均聚物熔体中的无标度静态和动态关联：最近键涨落模型研究的综述
Scale-free static and dynamical correlations in melts of monodisperse and Flory-distributed homopolymers: A review of recent bond-fluctuation model studies
摘要：
它一直假设，直到最近，所有的长程相关性筛选在三维熔体的线性均聚物的距离超过相关长度$ξ$的密度波动的衰减特征。总结模拟结果通过一个变体的键波动模型与有限的单体排除体积相互作用和拓扑结构违反本地和全球的Monte Carlo移动，我们表明，由于链连接和不可压缩性约束的相互作用，静态和动态的相关性产生的距离$r \gg ξ$。这些相关性是无标度的，令人惊讶的是，不依赖于明确的可压缩性的解决方案。单分散和（基本上）弗洛里分布的平衡聚合物被认为是。
英文摘要：
It has been assumed until very recently that all long-range correlations are screened in three-dimensional melts of linear homopolymers on distances beyond the correlation length $ξ$ characterizing the decay of the density fluctuations. Summarizing simulation results obtained by means of a variant of the bond-fluctuation model with finite monomer excluded volume interactions and topology violating local and global Monte Carlo moves, we show that due to an interplay of the chain connectivity and the incompressibility constraint, both static and dynamical correlations arise on distances $r \gg ξ$. These correlations are scale-free and, surprisingly, do not depend explicitly on the compressibility of the solution. Both monodisperse and (essentially) Flory-distributed equilibrium polymers are considered.
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