Chern-Simons anomaly as polarization effect

Details Chern-Simons anomaly as polarization effect Chern-Simons anomaly as polarization effect

2011-04-15

arxiv.org/abs/1104.3106v2

JCAP11(2011)048

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, latex, matches published version

Scientific paper

10.1088/1475-7516/2011/11/048

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.

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