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arxiv: 1105.3744 · v2 · pith:T4T5YNTWnew · submitted 2011-05-18 · ✦ hep-th · astro-ph.CO· hep-ph

Magnetic Helicity in Sphaleron Debris

Yi-Zen Chu , James B. Dent , Tanmay Vachaspati This is my paper
classification ✦ hep-th astro-ph.COhep-ph
keywords magnetichelicitycosmicdebrissphaleronanalysisanalyticalbaryogenesis
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We develop an analytical technique to evaluate the magnetic helicity in the debris from sphaleron decay. We show that baryon number production leads to left-handed magnetic fields, and that the magnetic helicity is conserved at late times. Our analysis explicitly demonstrates the connection between sphaleron-mediated cosmic baryogenesis and cosmic magnetogenesis.

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