Journal of Statistical Physics

, Volume 80, Issue 1–2, pp 445–459 | Cite as

Classical Coulomb systems: Screening and correlations revisited

  • B. Jancovici


From the laws of macroscopic electrostatics of conductors (in particular, the existence of screening), taken as given, one can deduce universal properties for the thermal fluctuations in a classical Coulomb system at equilibrium. The universality is especially apparent in the long-range correlations of the electrical potentials and fields. The charge fluctuations are derived from the field fluctuations. This is a convenient way to study the surface charge fluctuations on a conductor with boundaries. Explicit results are given for simple geometries. The potentials and the fields have Gaussian fluctuations, except for a short-distance cutoff.

Key Words

Coulomb systems screening fluctuations correlations surface correlations universality 


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Copyright information

© Plenum Publishing Corporation 1995

Authors and Affiliations

  • B. Jancovici
    • 1
  1. 1.Laboratoire de Physique Théorique et Hautes EnergiesUniversité de Paris-SudOrsayFrance

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