Conformational properties of an adsorbed charged polymer

Chi Ho Cheng, Pik Yin Lai

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

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.

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文章編號060802
期刊Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
71
發行號6
DOIs
出版狀態已出版 - 6月 2005

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