Primordial magnetic fields and symmetry restoration

Details Primordial magnetic fields and symmetry restoration Primordial magnetic fields and symmetry restoration

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.114..345b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 114, no. 2, Sept. 1985, p. 345-350.

Astronomy and Astrophysics

Astrophysics

2

Astronomical Models, Big Bang Cosmology, Broken Symmetry, Interstellar Magnetic Fields, Time, Universe, Anisotropic Media, Evolution (Development), Radiation Distribution, Temperature Distribution

Scientific paper

In the standard cosmological model, symmetry-breaking in grand unified theories will occur at times of about 10 to the -39th s after the initial singularity when the universe has cooled to a temperature of about 10 to the 16th GeV. Whether it is possible for a uniform, large-scale, magnetic field present in the early universe to delay significantly the time at which symmetry breaking occurs is investigated. Given the present magnitude of the intergalactic B-field (less than about 10 to the -11th to 10 to the -9th G) it is found that no significant effects are introduced.

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