Electroweak strings produce baryons

Details Electroweak strings produce baryons Electroweak strings produce baryons

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvd..51..300b&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 51, Issue 2, 15 January 1995, pp.R300-R304

Physics

14

Particle-Theory And Field-Theory Models Of The Early Universe, Extended Classical Solutions, Cosmic Strings, Domain Walls, Texture, Electroweak Interactions

Scientific paper

We propose a new mechanism to generate baryons. Electroweak strings produced at the electroweak phase transition will introduce anomalous currents through interactions of the strings with the background electromagnetic field and through changes in the helicity of the string network. These anomalous currents will produce fluctuations in the baryon and lepton number. We show that in the two-Higgs-doublet model corrections to the action coming from the effective potential introduce a bias in the baryon asymmetry that leads to a net baryon number production.

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