BORN–INFELD COSMOLOGIES

Author:

GARCÍA-SALCEDO RICARDO1,BRETÓN NORA1

Affiliation:

1. Depto. de Física, Cinvestav, A.P. 14-740, 07000 México D.F., Mexico

Abstract

We present a model for an inhomogeneous and anisotropic early universe filled with a nonlinear electromagnetic field of Born–Infeld (BI) type. The effects of the BI field are compared with the linear case (Maxwell). Since the curvature invariants are well behaved then we conjecture that our model does not present an initial big bang singularity. The existence of the BI field modifies the curvature invariants at t=0 as well as sets bounds on the amplitude of the conformal metric function.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

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