Monte Carlo study of the translocation of a polymer chain through a hole |
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Authors: | Waldemar Nowicki Gra?yna Nowicka |
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Affiliation: | a Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland b Faculty of Chemistry, Maria Curie-Sk?odowska University, M. Sk?odowska-Curie Pl. 3, 20-031 Lublin, Poland |
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Abstract: | The translocation of a polymer chain through a narrow hole in a rigid obstacle has been studied by the static Monte Carlo simulations. A modified self-avoiding walk on a cubic lattice has been used to model the polymer in an athermal solution. The entropy of the chain before, in the course, and after the translocation process has been estimated by the statistical counting method. The thermodynamic generalized forces governing the translocation have been calculated. The influence of the system geometry on the entropic barrier landscape is discussed. |
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Keywords: | Self-avoiding walk Excluded volume Surface curvature Athermal solution |
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