Radiation can never again dominate matter in a vacuum dominated universe

Lawrence M. Krauss and Robert J. Scherrer
Phys. Rev. D 75, 083524 – Published 25 April 2007

Abstract

We demonstrate that in a vacuum-energy-dominated expansion phase, surprisingly neither the decay of matter nor matter-antimatter annihilation into relativistic particles can ever cause radiation to once again dominate over matter in the future history of the Universe.

  • Figure
  • Received 7 February 2007

DOI:https://doi.org/10.1103/PhysRevD.75.083524

©2007 American Physical Society

Authors & Affiliations

Lawrence M. Krauss1,2 and Robert J. Scherrer2

  • 1CERCA, Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106, USA
  • 2Department of Physics & Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA

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Issue

Vol. 75, Iss. 8 — 15 April 2007

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