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arXiv cond-mat/9709345cond-mat.stat-mech
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半柔性聚合物端距分布函数

Distribution Function of the End-to-End Distance of Semiflexible Polymers

J. K. Bhattacharjee, D. Thirumalai, J. D. Bryngelson

摘要:

半柔性聚合物的端到端距离的分布函数G(R;L)(其中R表示端到端距离,L表示轮廓长度)使用类平均场方法计算。该理论给出了一个非常简单的G(R;L)的表达式,它与蒙特卡罗模拟非常一致。G(R;L)的二阶和四阶矩与半柔性聚合物在无规卷曲和棒极限下的精确结果一致。

英文摘要:

The distribution function of the end-to-end distance of a semiflexible polymer, G(R;L) (where R denotes the end-to-end distance and L the contour length), is calculated using a meanfield-like approach. The theory yields an extremely simple expression for G(R;L) which is in excellent agreement with Monte Carlo simulations. The second and fourth moments of G(R;L) agree with exact results for a semiflexible polymer in both the random coil and the rod limit.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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