On potential and field fluctuations in classical charged systems

J. L. Lebowitz, Ph A. Martin

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


Using electrostatic identities the potential and microfield in a plasma, important for determining line shapes, are expressed as limits of local quantities. These are shown to be well defined for typical configurations of macroscopic, i.e., infinite systems (under some mild clustering assumptions). Their covariance contains a slowly decaying part (|x|-1, for the potential) whose coefficient is universal whenever the Stillinger-Lovett second moment condition holds. We show further that the contributions from distant regions (which are equal to suitable averages over local regions) have a Gaussian distribution.

Original languageEnglish (US)
Pages (from-to)287-311
Number of pages25
JournalJournal of Statistical Physics
Issue number1-2
StatePublished - Jan 1984

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics


  • Coulomb systems
  • clustering
  • kparticle correlations
  • microfield distribution
  • potential fluctuations
  • sum rules


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