Modeling the excluded volume effect between the chains in linear polymers

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Abstract
A model of dodging (random) walk is proposed for the excluded volume effect between the chains in linear polymers, and computer simulations were performed for four model systems. The calculated results indicate that: (1) the relationship between the end-to-end distance of the coils 〈R2〉 and the walk steps N is still linear, same as that of the random coil; (2) but the coil size is suppressed compared with that of the random coils; and (3) the suppression of the coil size produced by dodging in the case of headon encounter is stronger than that in the case of walking abreast.

Keywords:
excluded-volume effect /

avoiding-walk /

random coil /

linear polymer
Authors and contacts
Zhang Jin-Lu²,

Jiang Jian-Guo¹,

Jiang Xin-Ge²,

Huang Yi-Neng³

(1)南京大学物理系固体微结构实验室,南京 210093; (2)伊犁师范学院物理与电子信息学院凝聚态物理与材料设计研究所,伊宁 835000; (3)伊犁师范学院物理与电子信息学院凝聚态物理与材料设计研究所,伊宁 835000;南京大学物理系固体微结构实验室,南京 210093
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