Decay of Fluctuations in the Early Universe and High Energy Particle Interaction

Details Decay of Fluctuations in the Early Universe and High Energy Particle Interaction Decay of Fluctuations in the Early Universe and High Energy Particle Interaction

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pthph..63.1971s&link_type=abstract

Progress of Theoretical Physics, Vol. 63, No. 6, pp. 1971-1983

Physics

7

Scientific paper

Dissipative decay of small amplitude fluctuations in the big bang universe with temperature 1019 GeV > T > 4 \cdot 10-10 GeV is studied by taking the recent idea of the gauge theories for theparticle interactions. The decay due to radiation viscosity starts from the small sizes of fluctuations and proceeds to the larger ones accompanying the cosmic expansion. The maximum size dissipated is a galactic size and this mechanism would not explain the global smoothness of the universe. The size independent initial damping in 1019 GeV > T > 1015.5 GeV does not occur.

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