Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 128, Issue 20, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.2927878
Keywords
-
Ask authors/readers for more resources
In the first paper of this series, we developed a new one-dimensional Monte Carlo approach for the study of flexible chains that are translocating through a small channel. We also presented a numerical scheme that can be used to obtain exact values for both the escape times and the escape probabilities given an initial pore-polymer configuration. We now present and discuss the fundamental scaling behaviors predicted by this Monte Carlo method. Our most important result is the fact that, in the presence of an external bias E, we observe a change in the scaling law for the translocation time tau as function of the polymer length N: In the general expression tau similar to N(beta)/E, the exponent changes from beta=1 for moderately long chains to beta=1+nu or beta=2 nu for very large values of N (for Rouse and Zimm dynamics, respectively). We also observe an increase in the effective diffusion coefficient due to the presence of entropic pulling on unbiased polymer chains. (C) 2008 American Institute of Physics.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available