Breaking Of Conformal Invariance And Electromagnetic Field Generation In The Universe

Details Breaking Of Conformal Invariance And Electromagnetic Field Generation In The Universe Breaking Of Conformal Invariance And Electromagnetic Field Generation In The Universe

1993-01-26

arxiv.org/abs/hep-ph/9301280v1

Phys.Rev.D48:2499-2501,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, UM - TH - 93 - 01

Scientific paper

10.1103/PhysRevD.48.2499

It is shown that the breaking of the conformal invariance in quantum electrodynamics due to the trace anomaly results in the generation of long wave electromagnetic fields during inflationary stage of the universe evolution. If the coefficient of the logarithmic charge renormalization is large (due to a large number of charged particles species), these primordial electromagnetic fields can be strong enough to create the observed galactic magnetic fields.

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