New bound of the mass-to-radius ratio for electrically charged stars

TL;DR

This paper derives a new theoretical bound on the mass-to-radius ratio for electrically charged stars, extending existing bounds for uncharged stars to include electric charge effects.

Contribution

It introduces a novel bound on the mass-radius ratio for charged stars, generalizing previous uncharged bounds using a solution-generating technique.

Findings

Derived a new bound on the mass-radius ratio for charged stars.

Extended uncharged star bounds to include electric charge effects.

Provides a theoretical framework for analyzing charged compact objects.

Abstract

Using a general solution-generating technique for electrically charged relativistic stars with spherical symmetry, we derive a new bound on the mass-radius ratio. This compactness bound is based on the already established bounds for uncharged interior solutions and it will provide the corresponding generalizations in presence of the electric charge.