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hep-ph2001
Cosmological magnetic fields induced by metric perturbations after inflation
Antonio L. Maroto
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…
hep-ph2001
Goldstone bosons and solitons on the brane
J. A. R. Cembranos, A. Dobado, A. L. Maroto
In this work we compute the effective action describing the low-energy brane Goldstone-boson dynamics. The Goldstone bosons or branons appear because the brane spontaneously breaks…