Cosmologial magnetic field amplification around z~100
Esteban A. Calzetta, Alejandra Kandus
Abstract
We study the corrections to the conformal evolution of primordial magnetic fields after recombination, produced by the fall of the ionized fraction of matter into the dark matter gravitational wells. This effect enhances the field around the protostructures being formed, and might help to understand the fields observed in galaxy clusters and hydrogen clouds.
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