TY - CHAP AU - López Maroto, Antonio AU - Beltrán Jiménez, José PY - 2011 DO - 10.1007/978-3-642-19760-4_20 SN - 978-3-642-19759-8 UR - https://hdl.handle.net/20.500.14352/45522 AB - We consider an extended electromagnetic theory in which the scalar state which is usually eliminated be means of the Lorenz condition is allowed to propagate. On super-Hubble scales, such a state is given by the temporal component of the... M2 - 215 PB - Springer-Verlag Berlin KW - Universe KW - Origin TI - Dark energy and cosmic magnetic fields: electromagnetic relics from inflation TY - book part ER -