Matter-antimatter origin of cosmic magnetism

Andrew Steinmetz; Cheng Tao Yang; Johann Rafelski

doi:10.1103/PhysRevD.108.123522

Matter-antimatter origin of cosmic magnetism

Andrew Steinmetz, Cheng Tao Yang, Johann Rafelski

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

3 Scopus citations

Abstract

We explore the hypothesis that the abundant presence of relativistic antimatter (positrons) in the primordial Universe is the source of the intergalactic magnetic fields we observe in the Universe today. We evaluate both Landau diamagnetic and magnetic dipole moment paramagnetic properties of the very dense primordial electron-positron e+e - plasma, and obtain in quantitative terms the relatively small magnitude of the e+e- magnetic moment polarization asymmetry required to produce a consistent self-magnetization in the Universe.

Original language	English (US)
Article number	123522
Journal	Physical Review D
Volume	108
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.108.123522
State	Published - Dec 15 2023

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevD.108.123522

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abstract = "We explore the hypothesis that the abundant presence of relativistic antimatter (positrons) in the primordial Universe is the source of the intergalactic magnetic fields we observe in the Universe today. We evaluate both Landau diamagnetic and magnetic dipole moment paramagnetic properties of the very dense primordial electron-positron e+e - plasma, and obtain in quantitative terms the relatively small magnitude of the e+e- magnetic moment polarization asymmetry required to produce a consistent self-magnetization in the Universe.",

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AU - Rafelski, Johann

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N2 - We explore the hypothesis that the abundant presence of relativistic antimatter (positrons) in the primordial Universe is the source of the intergalactic magnetic fields we observe in the Universe today. We evaluate both Landau diamagnetic and magnetic dipole moment paramagnetic properties of the very dense primordial electron-positron e+e - plasma, and obtain in quantitative terms the relatively small magnitude of the e+e- magnetic moment polarization asymmetry required to produce a consistent self-magnetization in the Universe.

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Matter-antimatter origin of cosmic magnetism

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