Spontaneous symmetry violation and the evolution of the universe

Details Spontaneous symmetry violation and the evolution of the universe Spontaneous symmetry violation and the evolution of the universe

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976zhetf..71..825k&link_type=abstract

Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki, vol. 71, Sept. 1976, p. 825-839. In Russian.

Mathematics

Logic

6

Astronomical Models, Cosmology, Universe, Antineutrinos, Equations Of State, Neutrinos, Particle Mass, Phase Transformations, Relativity

Scientific paper

A Friedman model of a charge-asymmetric hot universe is investigated in which particle masses arise as a result of spontaneous symmetry violation. It is shown that the early stages of evolution of the universe appreciably depend on the ratio of the gamma-quantum density to the density of the neutrino-antineutrino excess. A small value of the ratio should result in infinite elementary-particle masses near the cosmological singularity. In a universe with a much larger number of gamma-quanta than neutrinos, the particle masses should be zero at early stages of evolution and become nonzero as a consequence of a phase transition during cooling of the universe.

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