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

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  • Kumar, Sanjiv
  • Kumar, Sanjay

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.

Suggested Citation

  • Kumar, Sanjiv & Kumar, Sanjay, 2018. "Polymer in a pore: Effect of confinement on the free energy barrier," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 499(C), pages 216-223.
    • Handle: RePEc:eee:phsmap:v:499:y:2018:i:c:p:216-223
    DOI: 10.1016/j.physa.2018.01.036
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    Cited by:

    1. Rodrigues, B.B. & Rocha, J.C.S. & Costa, B.V., 2022. "Phase diagram of flexible polymers with quenched disordered charged monomers," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 604(C).

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