Charged Compact Stars in Extended $f(\mathcal{R},\mathcal{G},\mathcal{T})$ Gravity

Abstract

The purpose of this paper is to study charged compact stars using extended gravitational theory, also known as $f(\mathcal{R},\mathcal{G},\mathcal{T})$ gravity. Alternatively, this theory is also called $f(\mathcal{R},\mathcal{T},\mathcal{G})$ gravity. The symbols $\mathcal{R},\mathcal{G}$, and $\mathcal{T}$ denote the Ricci Scalar, the Gauss-Bonnet invariant, and the trace of the energy-momentum tensor, respectively. We suggested several plausible models in the framework of this new gravity theory, and then used these models to explore several physical properties of compact objects of relativistic nature. This research also takes into account three famous compact stars: Vela X-1 (CS1); SAXJ1808.4-3658 (CS2); and 4U1820-30 (CS3). Moreover, using the suggested models, the physical nature of anisotropic stress, energy density, various energy conditions (ECs), the state of equilibrium, interior stability, mass variations, compactness, anisotropy, electric charge, and electric field intensity are analysed for considered compact stars. Different plots of the above-mentioned quantities are presented for this analysis. Conclusively, the ECs are satisfied, and the compact stars have a significant dense core.

version accepted for publication/published in New Astronomy

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Cited by in corpus (3)

• Study of Viable Compact Stellar Structures in Non-Riemannian Geometry
• Effects of $f(R,G)$ gravity on anisotropic charged compact objects
• Charged Gravastar Solutions in the Finch-Skea Framework with f(\mathbb{Q}) Gravity