Magnetic helicity in sphaleron debris

Yi Zen Chu; James B. Dent; Tanmay Vachaspati

doi:10.1103/PhysRevD.83.123530

Magnetic helicity in sphaleron debris

Yi Zen Chu, James B. Dent, Tanmay Vachaspati

Research output: Contribution to journal › Article › peer-review

17 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 language	English
Article number	123530
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	83
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.83.123530
State	Published - 27 Jun 2011

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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.",

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AU - Vachaspati, Tanmay

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AB - 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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M3 - 期刊論文

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SN - 1550-7998

VL - 83

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 12

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Magnetic helicity in sphaleron debris

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