Driven polymer translocation through a cylindrical nanochannel: interplay between the channel length and the chain length

• DOI: 10.1039/c2sm06942c
• Publication Date: 2012-01-30T11:30:40Z
• Authors: Huaisong Yong; Yilin Wang; Shichen Yuan; Bi Xu; Kaifu Luo
• Keywords: Langevin dynamics; Chain (unit)

Using analytical techniques and Langevin dynamics simulations, we investigate the of polymer translocation through a nanochannel embedded in two dimensions under an applied external field. We examine time for various ratio channel length $L$ to $N$. For short channels $L\ll N$, $\tau \sim N^{1+\nu}$ weak driving force $F$, while $\tau\sim F^{-1}L$ long $L\gg independent chain Moreover, observe minimum as function $L/N$ different forces widths. These results are interpreted by waiting single segment.