高等学校化学学报 ›› 1996, Vol. 17 ›› Issue (8): 1319.
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吴大诚, 杜鹏, 康健
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国家自然科学基金
WU Da-Cheng, DU Peng, KANG Jian
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关键词: 高分子构象, 环形链, 随机行走
Abstract: A polymer chain in which two ends are attached at an interface boundary physically or chemically is called as a polymer loop.Based on the normal random walk(NRW)in the simple cubic lattice,the available conformational number C11(3)(N)of a model polymer loop with the chain length Ncan be obtained from the available conformational number of the corresponding polymer tail.It was shown that the number C11(N)≈6N/2(6лN3)1/2, where 6 Nis the conformational number of a free chain with the length N.The computer ""experiments"including the exact enumeration and the Monte Carlo simulation were used for the comparison with the theory.This result gives a formal reference frame to compare with the conformation of the more complicated model or the real polymer loop.
Key words: Polymer conformation, Loop chain, Random walk
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吴大诚, 杜鹏, 康健. 模型高分子环形链的构象统计理论. 高等学校化学学报, 1996, 17(8): 1319.
WU Da-Cheng, DU Peng, KANG Jian . Configurational Statistics of Model Polymer Loop. Chem. J. Chinese Universities, 1996, 17(8): 1319.
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http://www.cjcu.jlu.edu.cn/CN/Y1996/V17/I8/1319