Magnetic helicity in sphaleron debris

Yi Zen Chu, James B. Dent, Tanmay Vachaspati

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

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.

Original languageEnglish (US)
Article number123530
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume83
Issue number12
DOIs
StatePublished - Jun 27 2011

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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