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International Journal of Theoretical Physics

, Volume 36, Issue 5, pp 1249–1252 | Cite as

Geodesics for photons, particles, and tachyons in a cosmological model

  • Marcelo S. Berman
Article
  • 46 Downloads

Abstract

We find geodesics in a flat universe obeying a perfect gas law for the equation of state, by means of a constant deceleration model. Inflationary and power-law cases are considered.

Keywords

Cosmological Model Berman Deceleration Parameter Null Geodesic Flat Universe 
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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References

  1. Berman, M. S. (1983).Nuovo Cimento,74B, 182.ADSGoogle Scholar
  2. Berman, M. S., and Gomide, F. M. (1988).General Relativity and Gravitation,20, 191.MathSciNetCrossRefGoogle Scholar
  3. Chaliassos, E. (1987).Physica,144A, 390.ADSGoogle Scholar

Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • Marcelo S. Berman
    • 1
    • 2
  1. 1.Group of Cosmology and Gravitation, Division of AstrophysicsINPE (National Institute of Space Research)São José dos CamposBrazil
  2. 2.Dept. of PhysicsInstituto Tecnológico de Aeronautica (ITA)São José Dos CamposBrazil

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