Equilibrium and Linear Response of a Classical Scalar Plasma

G. Kalman
Phys. Rev. 161, 156 – Published 5 September 1967
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Abstract

The properties of a classical many-particle system interacting through a scalar field (a scalar plasma) are studied. A relativistic Hartree approximation is applied to equilibrium to evaluate thermodynamic characteristics such as the energy, entropy, and equation of state. A gas-liquid phase transition appears at moderate densities. There is no collapse for an attractive interaction: The system can accomodate any density. Stability against small perturbation and the behavior of collective excitations are analyzed through the linear-response function.

  • Received 27 April 1967

DOI:https://doi.org/10.1103/PhysRev.161.156

©1967 American Physical Society

Authors & Affiliations

G. Kalman*,†

  • Joint Institute for Laboratory Astrophysics, University of Colorado, Boulder, Colorado

  • *Visiting Fellow, Joint Institute for Laboratory Astrophysics, 1965-1966. Permanent address: Laboratoire de Physique des Plasmas, Faculté des Sciences d'Orsay, Université de Paris, Orsay, France. Present address: Physics Department, Brandeis University Waltham, Massachusetts.
  • Of the National Bureau of Standards and the University of Colorado.

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Vol. 161, Iss. 1 — September 1967

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