Polymer in a pore: Effect of confinement on the free energy barrier

Sanjiv Kumar and Sanjay Kumar

Physica A: Statistical Mechanics and its Applications, 2018, vol. 499, issue C, 216-223

Abstract: We investigate the transfer of a polymer chain from cis- side to trans- side through two types of pores: cone-shaped channel and flat-channel. Using the exact enumeration technique, we obtain the free energy landscapes of a polymer chain for such systems. We have also calculated the free-energy barrier of a polymer chain attached to the edge of the pore. The model system allows us to calculate the force required to pull polymer from the pore and stall-force to confine polymer within the pore.

Keywords: Polymer; Confined geometry; Exact enumeration (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:499:y:2018:i:c:p:216-223

DOI: 10.1016/j.physa.2018.01.036

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