Geodesics for photons, particles, and tachyons in a cosmological model
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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.
KeywordsCosmological Model Berman Deceleration Parameter Null Geodesic Flat Universe
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© Plenum Publishing Corporation 1997