GUT Cosmic Magnetic Fields in a Warm Inflationary Universe

Details GUT Cosmic Magnetic Fields in a Warm Inflationary Universe GUT Cosmic Magnetic Fields in a Warm Inflationary Universe

1998-09-15

arxiv.org/abs/hep-ph/9809404v2

Phys.Rev. D59 (1999) 043510

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, Latex, In press Physical Review D

Scientific paper

10.1103/PhysRevD.59.043510

Sources of magnetic fields from grand unified theories are studied in the warm inflation regime. A ferromagnetic Savvidy vacuum scenario is presented that yields observationally interesting large scale magnetic fields. As an intermediate step, a general analysis is made of defect production at the onset of warm inflation and monopole constraints are obtained. Many features of this Savvidy vacuum scenario are applicable within a supercooled inflation regime and these points are discussed.

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