Phase transitions and magnetic monopole production in the very early universe

Details Phase transitions and magnetic monopole production in the very early universe Phase transitions and magnetic monopole production in the very early universe

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980phrvl..44..631g&link_type=abstract

Physical Review Letters, vol. 44, Mar. 10, 1980, p. 631-635. NSF-supported Research;

Astronomy and Astrophysics

Astronomy

91

Cosmology, Magnetic Monopoles, Phase Transformations, Universe, Abundance, Astronomical Models, Baryons, Gravitational Effects, Supercooling

Scientific paper

The suppression of the inital production of magnetic monopoles and the constraints imposed on the history of the early universe are discussed, with regard to models of grand unified theories (GUTs). The bubble coalescence and bubble expansion mechanisms of nomopole production are considered, and the SU(5) GUT model of Georgi and Glashow is examined in detail. It is suggested that the abundance of superheavy magnetic monopoles in the universe can be suppressed if the phase transition which creates the monopoles occurs after much supercooling, and if, immediately after the phase transition, the effective monopole mass is large compared with the temperature.

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