Worm-like chain under an external force: A classical mechanical approach

被引：0
|
作者：
Lai, PY [1 ]
Zhou, ZC
机构：
[1] Natl Cent Univ, Dept Phys, Chungli 320, Taiwan
[2] Natl Cent Univ, Ctr Complex Syst, Chungli 320, Taiwan
[3] Tamkang Univ, Dept Phys, Tamsui 251, Taiwan
来源：
CHINESE JOURNAL OF PHYSICS | 2001年 / 39卷 / 06期
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D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Biomolecules, such as DNA, are often modelled by the inextensible Worm-Like Chain (WLC) model when pulled by an external force. We examine the classical mechanical solution of a WLC arbitrarily grafted at one end while stretched with an external force acting on the other end. Shape equations governing the configurations of the WLC can be derived. Detail chain configurations can be solved numerically for arbitrary contour lengths and grafting conditions. Analytic results for the case of low force (linear regime) limit as well as near the fully stretched limit (strong force) and long chain limit are also derived.
引用
收藏
页码：641 / 650
页数：10
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