Primordial large-scale electromagnetic fields from Gravitoelectromagnetic Inflation

Abstract

We investigate the origin and evolution of primordial electric and magnetic fields in the early universe, when the expansion is governed by a cosmological constant ${\Lambda }_0$. Using the gravitoelectromagnetic inflationary formalism with $A_0=0$, we obtain the power of spectrums for large-scale magnetic fields and the inflaton field fluctuations during inflation. A very important fact is that our formalism is {\em naturally non-conformally invariant}.

Accepted for publication in Physics Letters B

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Cited by in corpus (4)

• Large-scale magnetic fields from inflation due to a $CPT$-even Chern-Simons-like term with Kalb-Ramond and scalar fields
• Coupled inflaton and electromagnetic fields from Gravitoelectromagnetic Inflation with Lorentz and Feynman gauges
• Semiclassical Gravitoelectromagnetic inflation in a Lorentz gauge: seminal inflaton fluctuations and electromagnetic fields from a 5D vacuum state
• Mass density of the Earth from a Gravito-Electro-Magnetic 5D vacuum