Fraction of Condensed Counterions around a Charged Rod: Comparison of Poisson−Boltzmann Theory and Computer Simulations

@article{Deserno2000FractionOC,
  title={Fraction of Condensed Counterions around a Charged Rod: Comparison of Poisson−Boltzmann Theory and Computer Simulations},
  author={M. Deserno and C. Holm and S. May},
  journal={Macromolecules},
  year={2000},
  volume={33},
  pages={199-206}
}
  • M. Deserno, C. Holm, S. May
  • Published 2000
  • Physics, Chemistry
  • Macromolecules
  • We investigate the phenomenon of counterion condensation in a solution of highly charged rigid polyelectrolytes within the cell model. A method is proposed whichbased on the charge distribution functionidentifies both the fraction of condensed ions and the radial extension of the condensed layer. Within salt-free Poisson−Boltzmann (PB) theory it reproduces the well-known fraction 1−1/ξ of condensed ions for a Manning parameter ξ > 1. Furthermore, it predicts a weak salt dependence of this… CONTINUE READING
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