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Three-magnetic fields

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arxiv 1112.1356 v2 pith:SLXN6Y3E submitted 2011-12-06 astro-ph.CO hep-phhep-th

Three-magnetic fields

classification astro-ph.CO hep-phhep-th
keywords fieldsintroducedamountamplificationavoidsbackreactioncompletelycontext
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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A completely new mechanism to generate the observed amount of large-scale cosmological magnetic fields is introduced in the context of three-form inflation. The amplification of the fields occurs via fourth order dynamics of the vector perturbations and avoids the backreaction problem that plagues most previously introduced mechanisms.

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