GUT Cosmic Magnetic Fields in a Warm Inflationary Universe
arXiv:hep-ph/9809404 · doi:10.1103/PhysRevD.59.043510
Abstract
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.
15 pages, Latex, In press Physical Review D
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