Inflation and acceleration of the universe by nonlinear magnetic monopole fields

ALI OVGUN

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Despite impressive phenomenological success, cosmological models are incomplete without an understanding of what happened at the big bang singularity. Maxwell electrodynamics, considered as a source of the classical Einstein field equations, leads to the singular isotropic Friedmann solutions. In the context of Friedmann–Robertson–Walker (FRW) spacetime, we show that singular behavior does not occur for a class of nonlinear generalizations of the electromagnetic theory for strong fields. A new mathematical model is proposed for which the analytical nonsingular extension of FRW solutions is obtained by using the nonlinear magnetic monopole fields.

Original languageEnglish
Article number105
JournalEuropean Physical Journal C
Volume77
Issue number2
DOIs
StatePublished - 1 Feb 2017

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