Electric-magnetic duality and the conditions of inflationary magnetogenesis

Details Electric-magnetic duality and the conditions of inflationary magnetogenesis Electric-magnetic duality and the conditions of inflationary magnetogenesis

2009-11-04

arxiv.org/abs/0911.0896v1

JCAP 1004:003,2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

25 pages, 9 figures

Scientific paper

10.1088/1475-7516/2010/04/003

The magnetogenesis scenarios triggered by the early variation of the gauge coupling are critically analyzed. In the absence of sources, it is shown that the electric and magnetic power spectra can be explicitly computed by means of electric-magnetic duality transformations. The remnants of a pre-inflationary expansion and the reheating process break explicitly electric-magnetic duality by inducing Ohmic currents. The generation of large-scale magnetic field and the physical distinction between electric and magnetic observables stems, in this class of models, from the final value reached by the conductivity of the plasma right after inflation. Specific numerical examples are given. The physical requirements of viable magnetogenesis scenarios are spelled out.

Affiliated with

Also associated with

No associations

Rating

Electric-magnetic duality and the conditions of inflationary magnetogenesis does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Electric-magnetic duality and the conditions of inflationary magnetogenesis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric-magnetic duality and the conditions of inflationary magnetogenesis will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-620858