Chern-Simons anomaly as polarization effect
V. B. Semikoz, J. W. F. Valle
TL;DR
This paper explores how the Chern-Simons anomaly acts as a polarization effect linked to hypermagnetic fields, providing a unified explanation for the origin of cosmic magnetic fields and baryon asymmetry.
Contribution
It demonstrates that the Chern-Simons term can be interpreted as a polarization effect, supporting a unified seed field scenario for cosmological magnetic fields and baryon asymmetry.
Findings
Supports the viability of a unified seed field scenario
Links Chern-Simons anomaly to polarization effects in early universe
Connects hypermagnetic fields to baryon asymmetry
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.
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