Forcing a polymer out of a potential well

  title={Forcing a polymer out of a potential well},
  author={Keshav Kumar and Kizhakeyil L Sebastian},
  • Keshav Kumar, Kizhakeyil L Sebastian
  • Published 2002
  • Chemistry
  • Abstract We consider the forced escape of a polymer out of a potential well. The process has two steps – crossing the activation barrier, and translocation of the chain over the barrier. We suggest that translocation occurs by the motion of a kink, whose shape and velocity change as more and more beads of the polymer have come out of the potential well. We find that for short polymers, the translocation time t trans ∼ln( n 0 ), where n 0 is the number of beads that have crossed the barrier. For… CONTINUE READING

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