Ferromagnetic properties of charged vector bosons condensate in the early universe

Abstract

Bose-Einstein condensation in the early universe is considered. The magnetic properties of a condensate of charged vector bosons are studied, showing that a ferromagnetic state is formed. As a consequence, the primeval plasma may be spontaneously magnetized inside macroscopically large domains and primordial magnetic fields can be generated.Comment: 4 pages IAU Symposium 274, 6-10 September 2010, Giardini Naxos, Italy; Published in Proceedings of the International Astronomical Union, 2011, Advances in Plasma Astrophysics, A. Bonanno, E. de Gouveia Dal Pino & A. Kosovichev, eds., Cambridge Univerity Pres