https://doi.org/10.1140/epjp/s13360-020-00377-w
Regular Article
Universe inflation based on nonlinear electrodynamics
1
Department of Physics, University of Toronto, 60 St. Georges St., Toronto, ON, M5S 1A7, Canada
2
Department of Chemical and Physical Sciences, University of Toronto, 3359 Mississauga Road North, Mississauga, ON, L5L 1C6, Canada
* e-mail: serguei.krouglov@utoronto.ca
Received:
5
September
2019
Accepted:
3
April
2020
Published online:
24
April
2020
A new model of nonlinear electrodynamics with dimensional parameters 
and 
is proposed. The principles of causality and unitarity are studied. We show that a singularity of the electric field at the origin of charges is absent and the maximum of the electric field in the center is 
. The dual symmetry is broken in our model. Corrections to the Coulomb law as 
are in the order of 
. The source of the gravitation field and inflation of the universe is electromagnetic fields. It is supposed that the universe is filled by stochastic magnetic fields. We demonstrate that after the universe inflation the universe decelerates approaching the Minkowski spacetime. The singularities of the Ricci scalar, the Ricci tensor squared and the Kretschmann scalar are absent. We calculate the speed of sound. The spectral index, the tensor-to-scalar ratio, and the running of the spectral index, which approximately agree with the PLANK and WMAP data, are evaluated.
© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature, 2020
