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A numerical model of resistive generation of intergalactic magnetic field at cosmic dawn

Abstract:

Miniati and Bell (2011) proposed a mechanism for the generation of magnetic seeds that is based the finite resistivity of the low temperature IGM in the high redshift universe. In this model, cosmic-ray protons generated by the first generation of galaxies, escape into the intergalactic medium carrying an electric current that induces return currents, $j_t$, and associated electric fields, $\vec E=\eta\vec j_t$ there. Because the resistivity, $\eta$, depends on the IGM temperature, which is h...

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Authors


Miniati, F More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Journal:
arXiv
Publication date:
2011-10-18
Pubs id:
pubs:499763
URN:
uuid:2059712c-3605-4ab3-bf96-1319d6752084
Source identifiers:
499763
Local pid:
pubs:499763

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