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Communications in Mathematical Physics

, Volume 23, Issue 1, pp 1–22 | Cite as

Isotropic solutions of the Einstein-Boltzmann equations

  • R. Treciokas
  • G. F. R. Ellis
Article

Abstract

It is shown that in all solutions of the Einstein-Boltzmann equations in which the particle distribution function is isotropic about some 4-velocity field, the distortion of that velocity field vanishes; further, either its expansion or its rotation vanishes. We discuss briefly further kinetic solutions in which the energy-momentum tensor has a perfect fluid form.

Keywords

Neural Network Distribution Function Statistical Physic Complex System Nonlinear Dynamics 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1971

Authors and Affiliations

  • R. Treciokas
    • 1
  • G. F. R. Ellis
    • 1
  1. 1.Department of Applied Mathematics and Theoretical PhysicsCambridgeEngland

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