Complexity factors for axially symmetric static sources

L Herrera, A Di Prisco, J Ospino - Physical Review D, 2019 - APS
A previously found definition of complexity for spherically symmetric fluid distributions [L.
Herrera, Phys. Rev. D 97, 044010 (2018). PRVDAQ 2470-0010 10.1103/PhysRevD …

[HTML][HTML] Evolution of axially symmetric anisotropic sources in f(RT) gravity

M Zubair, I Noureen - The European Physical Journal C, 2015 - Springer
We discuss the dynamical analysis in f (R, T) gravity (where R is the Ricci scalar and T is the
trace of the energy momentum tensor) for gravitating sources carrying axial symmetry. The …

A measure of complexity for axial self-gravitating static fluids

U Farwa, Z Yousaf, MZ Bhatti - Physica Scripta, 2022 - iopscience.iop.org
One of the feasible potential candidates for illustrating the accelerating expansion of the
cosmos can be taken through the notion of modified gravity. Within the context of metric f (R) …

Dissipative collapse of axially symmetric, general relativistic sources: a general framework and some applications

L Herrera, A Di Prisco, J Ibáñez, J Ospino - Physical Review D, 2014 - APS
We carry out a general study on the collapse of axially (and reflection-) symmetric sources in
the context of general relativity. All basic equations and concepts required to perform such a …

Quasi static evolution of compact objects in modified gravity

Z Yousaf, K Bamba, MZ Bhatti, U Farwa - General Relativity and …, 2022 - Springer
In this paper, the quasi static-approximation on the hydrodynamics of compact objects is
proposed in f (R, T) gravity, where R is the scalar curvature and T is the trace of stress …

Axially and reflection symmetric systems and structure scalars in f (R, T) gravity

Z Yousaf, MZ Bhatti, U Farwa - Annals of Physics, 2021 - Elsevier
This manuscript is devoted to a general study on axial and reflection-symmetric self-
gravitating sources in the background of f (R, T) gravity, where T represents the trace of …

Evolution of axially and reflection symmetric source in energy–momentum squared gravity

Z Yousaf, MZ Bhatti, U Farwa - The European Physical Journal Plus, 2022 - Springer
This paper aims to investigate the effects of\(f (R, T^ 2)\) gravity on the dynamical evolution of
axially and reflection symmetric anisotropic and dissipative fluid, where R is the scalar …

Complexity analysis of dynamical spherically-symmetric dissipative self-gravitating objects in modified gravity

M Zubair, H Azmat - International Journal of Modern Physics D, 2020 - World Scientific
In this paper, we have worked on the concept of complexity factor for nonstatic spherically-
symmetric self-gravitating source filled with anisotropic fluid distribution in f (R, T) gravity …

[HTML][HTML] Complexity Factor of Static Axial Complex Structures in f(R, T) Gravity

Z Yousaf, MZ Bhatti, U Farwa - Symmetry, 2023 - mdpi.com
This article investigates the physical features of static axial sources that produce complexity
within the matter configuration within the perspective of f (R, T) theory, where R is the …

Photon trapping in static axially symmetric spacetime

DV Gal'tsov, KV Kobialko - Physical Review D, 2019 - APS
Recently, several new characteristics have been introduced to describe null geodesic
structure of strong gravitational fields, such as photon regions, transversely trapping …