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Title:
Radiation can never again dominate matter in a vacuum dominated universe
Authors:
Krauss, Lawrence M.; Scherrer, Robert J.
Affiliation:
AA(CERCA, Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106, USA; Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA), AB(Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA)
Publication:
Physical Review D, vol. 75, Issue 8, id. 083524 (PhRvD Homepage)
Publication Date:
04/2007
Origin:
APS
PACS Keywords:
Cosmology, Dark energy
DOI:
10.1103/PhysRevD.75.083524
Bibliographic Code:
2007PhRvD..75h3524K

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.
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