Formation of topological defects during preheating

Details Formation of topological defects during preheating Formation of topological defects during preheating

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..478...75k&link_type=abstract

Second international workshop on particle physics and the early universe (COSMO-98). AIP Conference Proceedings, Volume 478, pp

Physics

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We consider the formation of topological defects after inflation. In order to take into account the effects of the rescattering of fluctuations, we integrate the classical equation that describes the evolution of a complex scalar field on the two-dimensional lattice with a slab symmetry. The growth of fluctuations during preheating is found not to be enough for defect formation, and rather a long stage of the rescattering of fluctuations after preheating is necessary. We conclude that the topological defects are not formed if the breaking scale ɛ is larger than ~(2-3)×1016 GeV.

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