The main objective of this paper is to examine the viability and stability of anisotropic
compact stellar objects adopting the Karmarkar condition in energy-momentum squared …

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In this paper, we study the Tsallis holographic dark energy model to examine the cosmic
evolution in the framework of energy–momentum squared gravity. For this purpose, we use …

In order to bypass the big bang singularity, we develop an emergent universe scenario
within a covariant extension of General Relativity known as “Energy–Momentum Squared …

Developing a self-consistent notion of gravitational entropy in the context of cosmological
structure formation has been so far an elusive task. Various theoretical proposals have been …

Viscous unified dark matter models aim to describe the dark sector of the Universe, as the
dark matter fluid itself gives rise to an accelerated expansion due to a negative bulk viscous …

Recent research has highlighted the non-uniqueness problem of energy–momentum
tensors in linearized gravity; many different tensors are published in the literature, yet for …

In the framework of general relativity (GR) and teleparallel equivalent to GR (TEGR), we
investigate the energy–momentum localization of a stringy charged black hole by using …

In the present work we show that the second law of thermodynamics does not generally hold
if the matter and gravitational fields are nonminimally coupled. We demonstrate this result by …

This paper describes general relativity at the gravito-electromagnetic precision level as a
constrained field theory. In this novel formulation, the gravity field comprises two auxiliary …