Nonlinear electrodynamics, singularities and accelerated expansion

TL;DR

This paper explores how nonlinear electrodynamics coupled with general relativity can lead to accelerated cosmic expansion driven by magnetic fields, analyzing stability, energy conditions, and singularities.

Contribution

It demonstrates that nonlinear electromagnetic fields can cause accelerated universe expansion and provides a stability and singularity analysis of this model.

Findings

Magnetic fields drive accelerated cosmic expansion.

Stability analysis supports the model's viability.

Energy conditions and singularities are thoroughly examined.

Abstract

Non-linear electrodynamics coupled to general relativity is investigated. In general relativity, it is observed that the expansion of the universe is accelerating if the source of the gravitational field is the non-linear electromagnetic field. Moreover, a pure magnetic universe is explored. As a result, it is demonstrated that the magnetic field drives the cosmic expansion to be accelerated. Furthermore, the stability analysis of the present model is developed. In addition, the energy conditions and future singularities are studied in detail.