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What is Helical Magnetic Fields in Early Universe about?
This document analyzes the generation of helical magnetic fields and chiral asymmetry in the early hot universe. It finds: 1) An external source of lepton chiral asymmetry can generate helical magnetic fields via the Abelian anomaly of electroweak interactions. 2) The generated helical magnetic fields and lepton chiral asymmetry then support each other via "inverse cascade," transferring power from small to large scales. 3) The chiral asymmetry and magnetic field energy density evolve according to scal
- Author
- science4free
- Language
- EN