http://arxiv.org/abs/1512.05050
We consider the possibility of inflationary magnetogenesis due to dynamical couplings of the electromagnetic fields to gravity. We find that large primordial magnetic fields can be generated during inflation without the strong coupling problem, backreaction problem or curvature perturbation problem, which seed large-scale magnetic fields with observationally interesting strengths.
Z. Guo and P. Qian
Thu, 17 Dec 15
27/55
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