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Chern-Simons anomaly as polarization effect

By V. B. Semikoz and J. W. F. Valle

Abstract

The parity violating Chern-Simons term in the epoch before the electroweak phase transition can be interpreted as a polarization effect associated to massless right-handed electrons (positrons) in the presence of a large-scale seed hypermagnetic field. We reconfirm the viability of a unified seed field scenario relating the cosmological baryon asymmetry and the origin of the protogalactic large-scale magnetic fields observed in astronomy.Comment: 4 pages, latex, matches published versio

Topics: Astrophysics - Cosmology and Nongalactic Astrophysics, High Energy Physics - Phenomenology
Year: 2011
DOI identifier: 10.1088/1475-7516/2011/11/048
OAI identifier: oai:arXiv.org:1104.3106
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