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arxiv: hep-ph/0111268 · v1 · submitted 2001-11-21 · ✦ hep-ph

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Cosmological magnetic fields induced by metric perturbations after inflation

Antonio L. Maroto
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classification ✦ hep-ph
keywords fieldsinducedinflationmagneticmetricperturbationsamplificationamplitude
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We consider the amplification of electromagnetic quantum vacuum fluctuations induced by the presence of metric perturbations at the end of inflation. We obtain the amplitude of the corresponding magnetic fields on super-Hubble scales and compare it with the requirements of the galactic dynamo mechanism for different values of the spectral index. Finally we discuss the possible effects of the dissipation of such fields in the form of gravitational waves.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Chiral gravitational waves from multi-phase magnetogenesis

    astro-ph.CO 2026-02 unverdicted novelty 6.0

    Multi-phase inflation with chiral vector interactions generates amplified primordial magnetic fields that induce a detectable circularly polarized gravitational-wave background.