Simulation of a semiflexible polymer in a narrow cylindrical pore
Abstract
The probability that a randomly accelerated particle in two dimensions has not yet left a simply connected domain A after a time t decays as e-E0t for long times. The same quantity E0 also determines the confinement free energy per unit length f=kBT E0 of a semiflexible polymer in a narrow cylindrical pore with cross section A. From simulations of a randomly accelerated particle we estimate the universal amplitude of f for both circular and rectangular cross sections.
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