Translocation of Polymers through Nanopores at Weak External Field, Direct Approach with Monte Carlo Simulations

Details Translocation of Polymers through Nanopores at Weak External Field, Direct Approach with Monte Carlo Simulations Translocation of Polymers through Nanopores at Weak External Field, Direct Approach with Monte Carlo Simulations

2008-06-17

arxiv.org/abs/0806.2849v1

Physics

Condensed Matter

Soft Condensed Matter

submitted to JCP, 24 pages, 8 figures

Scientific paper

I did off-lattice 3D Monte Carlo simulations for polymer translocation through a narrow pore at low external field, trying to be as close to a direct approach as possible. The process was found non equilibrium globally, but dynamics of the monomers close to the pore (the fold) was found close to quasi equilibrium. I observed a tension (or pressure) buildup near the pore, and subdiffusion for the displacement of the middle monomer in the pore, as reported in the literature. I did not find the distribution of the reaction coordinate after some time of free diffusion predicted by the fractional diffusion equation.

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