Photon mass in inflation and nearly minimal magnetogenesis
classification
🌌 astro-ph
keywords
inflationmassphotonarguecanonicallycorrelatedcosmologicalcoupled
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We argue that the dynamics of photons canonically coupled to scalars in de Sitter inflation gets modified by a photon mass term. This might have lead to generation of potentially observable magnetic field correlated over cosmological scales today.
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