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题名: Conformational Properties of An Adsorbed Charged Polymer
作者: Cheng, Chi-Ho;Lai, Pik-Yin
贡献者: 物理學系
日期: 2005
上传时间: 2013-05-28T07:11:46Z
出版者: The American Physical Society
摘要: The behavior of a strongly charged polymer adsorbed on an oppositely charged surface of a low-dielectric constant is formulated by the functional integral method. By separating the translational, conformational, and fluctuational degrees of freedom, the scaling behaviors for both the height of the polymer and the thickness of the diffusion layer are determined. Unlike the results predicted by scaling theory, we identified the continuous crossover from the weak compression to the compression regime. All the analytical results are found to be consistent with Monte Carlo simulations. Finally, an alternative (operational) definition of a charged polymer adsorption is proposed.
關聯: Physical Review E, 71(6): 060802(R)
显示于类别:[物理學系] 期刊論文


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