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Transport in one-dimensional Coulomb gases: From ion channels to nanopores

Author

Listed:
  • Kamenev, A.
  • Zhang, J.
  • Larkin, A.I.
  • Shklovskii, B.I.

Abstract

We consider a class of systems where, due to the large mismatch of dielectric constants, the Coulomb interaction is approximately one-dimensional. Examples include ion channels in lipid membranes and water filled nanopores in silicon films. Charge transport across such systems possesses the activation behavior associated with the large electrostatic self-energy of a charge placed inside the channel. We show here that the activation barrier exhibits non-trivial dependence on the salt concentration in the surrounding water solution and on the length and radius of the channel.

Suggested Citation

  • Kamenev, A. & Zhang, J. & Larkin, A.I. & Shklovskii, B.I., 2006. "Transport in one-dimensional Coulomb gases: From ion channels to nanopores," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 359(C), pages 129-161.
    • Handle: RePEc:eee:phsmap:v:359:y:2006:i:c:p:129-161
    DOI: 10.1016/j.physa.2005.05.097
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