Relaxation of a semiflexible grafted polymer

被引：2
|
作者：
Nam, Gimoon [1 ,2 ]
Johner, Albert [2 ]
Lee, Nam-Kyung [1 ,2 ]
机构：
[1] Sejong Univ, Inst Fundamental Phys, Dept Phys, Seoul 143743, South Korea
[2] CNRS, Inst Charles Sadron, F-67034 Strasbourg 2, France
来源：
JOURNAL OF CHEMICAL PHYSICS | 2010年 / 133卷 / 16期
关键词：
CONCENTRATED ISOTROPIC SOLUTIONS; DYNAMICS; VISCOELASTICITY; STATISTICS; REPTATION; STARS; FLOW; DNA;
D O I：
10.1063/1.3499743
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The relaxation of single grafted semiflexible chains freely rotating around the grafting point is investigated by means of two dimensional computer simulations and scaling arguments. Both free chains and chains surrounded by topological obstacles are considered. We compute the autocorrelation of the end-to-end vector for the whole chain and for terminal sections of various lengths. Our results are relevant for the relaxation of star polymers with stiff arms or branched semiflexible polymers moving in an array of obstacles. (C) 2010 American Institute of Physics. [doi:10.1063/1.3499743]
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页数：10
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