Vector inflation and vortices

Details Vector inflation and vortices Vector inflation and vortices

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvd..44.1661l&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 44, Issue 6, 15 September 1991, pp.1661-1669

Mathematics

Logic

9

Scientific paper

A vector field Aμ is coupled to the Einstein equations with a linearly perturbed Friedmann-Robertson-Walker metric, constructed to generate first-order vector perturbations. A working classical chaotic vector inflation is demonstrated and then quantum fluctuations of the field are used to constrain the cosmological perturbations. In particular, the vector momentum flux T0i is tracked to the epoch where radiation-dominated matter exists. Matching conditions using observational constraints of the cosmic microwave background radiation give rise to a peculiar cosmological velocity of the order of 10-100c. Amplification of this number, e.g., by breaking the conformal invariance of the field, could be used to generate cosmic magnetic fields using a dynamo mechanism.

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