On the Suppression of Monopole Production in the Very Early Universe
Jun, 198012 pages
Published in:
- Nucl.Phys.B 170 (1980) 507-518
- Published: 1980
Report number:
- CERN-TH-2885
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Abstract: (Elsevier)
We investigate the effects of thermal fluctuations near the phase transition corresponding to the breakdown of a grand unified gauge group G to G′ × U(1) in the very early Universe, especially as regards the production of superheavy monopoles. Using SU(5) as a generic example of a grand unified theory, we find that this will be strongly suppressed for a reasonable range of parameters appearing in the Higgs potential. Allowing for a dynamical Higgs mechanism, leading to a considerable ratio of Higgs particle to leptoquark boson masses, the number of produced monopoles will be negligible.- UNIFIED FIELD THEORY
- STRONG INTERACTION
- ELECTROMAGNETIC INTERACTION
- WEAK INTERACTION
- COSMOLOGICAL MODEL
- FIELD THEORY: CRITICAL PHENOMENA
- POSTULATED PARTICLE: MAGNETIC MONOPOLE
- POSTULATED PARTICLE: HIGGS PARTICLE
- GAUGE FIELD THEORY: SU(5)
- SPONTANEOUS SYMMETRY BREAKING
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