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Bounds on the diffusion constant for the Rubinstein-Duke model of electrophoresis

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  • Prähofer, M.
  • Spohn, H.

Abstract

We prove bounds on the diffusion constant for the Rubinstein-Duke model by means of a variational formula. The leading term decreases quadratically with the length of the polymer chain. The coefficient of proportionality agrees with the one for the model with periodic boundary conditions. The next leading term is anomalous. Upper and lower bounds on the corresponding scaling exponent are given.

Suggested Citation

  • Prähofer, M. & Spohn, H., 1996. "Bounds on the diffusion constant for the Rubinstein-Duke model of electrophoresis," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 233(1), pages 191-207.
    • Handle: RePEc:eee:phsmap:v:233:y:1996:i:1:p:191-207
    DOI: 10.1016/S0378-4371(96)00226-9
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    References listed on IDEAS

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    1. Kooiman, A. & van Leeuwen, J.M.J., 1993. "Reptation models for electrophoresis," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 194(1), pages 163-172.
    2. Widom, A. & Yuan, T. & Jiang, H. & Vittoria, C., 1994. "Resonant ionic bonding and high TC superconductivity," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 210(3), pages 496-506.
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