The interrelation between the generation of large-scale electric fields and that of large-scale magnetic fields during inflation
arXiv:0710.1906 · doi:10.1088/1475-7516/2007/10/015
Abstract
The interrelation between the generation of large-scale electric fields and that of large-scale magnetic fields due to the breaking of the conformal invariance of the electromagnetic field in inflationary cosmology is studied. It is shown that if large-scale magnetic fields with a sufficiently large amplitude are generated during inflation, the generation of large-scale electric fields is suppressed, and vice versa. Furthermore, a physical interpretation of the result and its cosmological significance are considered.
12 pages, no figure, title changed, typos corrected