arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2001.07462cond-mat.dis-nncond-mat.soft
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无规聚合物网络的形状分析

Shape analysis of random polymer networks

V. Blavatska, K. Haydukivska, Yu. Holovatch

摘要:

我们分析了支化聚合物结构的构象性质,形成的基础上的Erdös-Rényi随机图模型。我们考虑网络与$N=5$顶点和可变参数$c$,控制图的连通性。在连续链模型下,用Wei方法数值计算和解析计算得到了这类结构的平均非球面度$\langle A_3 \rangle$和尺寸比$g$等普遍的旋转不变尺寸和形状特征.特别是,我们的研究结果定量地表明,当其连接性$c$降低时,聚合物网络结构的不对称性增加。

英文摘要:

We analyze conformational properties of branched polymer structures, formed on the base of Erdös-Rényi random graph model. We consider networks with $N=5$ vertices and variable parameter $c$, that controls graph connectedness. The universal rotationally invariant size and shape characteristics, such as averaged asphericity $\langle A_3 \rangle$ and size ratio $g$ of such structures are obtained both numerically by application of Wei's method and analytically within the continuous chain model. In particular, our results quantitatively indicate an increase of asymmetry of polymer network structure when its connectedness $c$ decreases.

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