Influence of electric charge and modified gravity on density irregularities

Bhatti, M. Z.; Yousaf, Z.

doi:10.1140/epjc/s10052-016-4064-2

Cited by 52 publications

(3 citation statements)

References 46 publications

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“…If the gravitational collapse of the objects occurs in a charged medium, the Reissner-Nordstrom will be its resultant product. Yousaf and his collaborator [39][40][41] inferred that the charged terms are trying to reduce the collapse rate. It is necessary to state that dissipation and shear viscosity is not added to the system because there is a chance of absorption in the components of collapsing fluid.…”

Section: 12mentioning

confidence: 99%

Complexity of charged anisotropic spherically symmetric fluids in f() gravity

Yousaf

Bhatti

Nasir

2023

Commun. Theor. Phys.

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The previous ideology of complexity factor for the dynamical spheres \cite{herrera2018definition,yousaf2022role} is extended for the influence of charge. A non-dissipative and dissipative dynamical spherically symmetric self-gravitating structure is examined in the presence of Maxwell $f(\mathcal{G})$ gravity to examine the complexity factor. The pattern of evolution is studied with the minimal complexity constraint. The complexity factor remains the same for the structure of fluid distribution, while we examine homologous constraints for the most basic evolution pattern. We calculate the structure scalars which play an important role in order to understand the fundamental properties of the system. The fluid is geodesic as well as shearing for the dissipative case and there is a large number of solutions. In the non-dissipative fluid distribution, a shear-free, homogeneous, and isotropic, geodesic fluid correlates with the evolving homologous and vanishing complexity condition. The implication of the condition of vanishing complexity factor and stability are discussed at the end.

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Section: 12mentioning

confidence: 99%

Complexity of charged anisotropic spherically symmetric fluids in f() gravity

Yousaf

Bhatti

Nasir

2023

Commun. Theor. Phys.

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“…They investigated how two aspects affect the charge and inferred that the characteristics of gravitational collapse are not influenced by dimension. Bhatti and Yousaf [20] investigated the influence of the charge on the components of inhomogeneity for planar symmetry in  f ( ) theory. For this analysis, dissipative and anisotropic fluids were employed.…”

Section: Introductionmentioning

confidence: 99%

Energy exchange between charged relativistic fluids in f(T) gravity

Yousaf,

Khokhar,

Turki

et al. 2024

Commun. Theor. Phys.

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This study focuses on the effects of a polytropic fluid on a charged gravitational source within $f(T)$ gravity, where $T$ is the torsion scalar. We investigated how the electromagnetic field affects the flow of energy in spherically symmetric and static celestial objects that contain relativistic fluids. By using the gravitational decoupling technique, we analyze the effects of polytropic fluid on the dynamics of the gravitational source accompanied by the matching of the interior geometry with an exterior at the hypersurface $\Sigma$. Finally, with the help of Tolman $\mathbb{IV}$ solution, we observed the conduct of energy conditions with the existence of charge using $f(T)$ field equations and get the intended outcomes.

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“…Bhatti and Yousaf [6] determined the inhomogeneity factors using the dissipative fluid under the influence of electromagnetic field in Palatini f (R) gravity for plane topology. To examine the corresponding inhomogeneity causes, some specific cases are examined with and without dissipation.…”

Section: Introductionmentioning

confidence: 99%

Generalized Lemaítre–Tolman–Bondi spacetime under the influence of electric charge and Palatini f(R) gravity

2021

Self Cite

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The objective of this article is to investigate the effects of electromagnetic field on the generalization of Lemaître–Tolman–Bondi (LTB) spacetime by keeping in view the Palatini f(R) gravity and dissipative dust fluid. For performing this analysis, we followed the strategy deployed by Herrera et al. (Phys Rev D 82(2):024021, 2010). We have explored the modified field equations along with kinematical quantities and mass function and constructed the evolution equations to study the dynamics of inhomogeneous universe along with Raychauduary and Ellis equations. We have developed the relation for Palatini f(R) scalar functions by splitting the Riemann curvature tensor orthogonally and associated them with metric coefficients using modified field equations. We have formulated these scalar functions for LTB and its generalized version, i.e., GLTB under the influence of charge. The properties of GLTB spacetime are consistent with those of the LTB geometry and the scalar functions found in both cases are comparable in the presence of charge and Palatini f(R) curvature terms. The symmetric properties of generalized LTB spacetime are also studied using streaming out and diffusion approximations.

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Influence of electric charge and modified gravity on density irregularities

Cited by 52 publications

References 46 publications

Complexity of charged anisotropic spherically symmetric fluids in f() gravity

Complexity of charged anisotropic spherically symmetric fluids in f() gravity

Energy exchange between charged relativistic fluids in f(T) gravity

Generalized Lemaítre–Tolman–Bondi spacetime under the influence of electric charge and Palatini f(R) gravity

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