Dynamics of charged bulk viscous collapsing cylindrical source with heat flux

Shah, Syed Munawar; Abbas, G.

doi:10.1140/epjc/s10052-017-4813-x

Cited by 29 publications

(6 citation statements)

References 59 publications

(101 reference statements)

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“…Furthermore, in this connection it is worth mentioning that thermodynamical viscous/heat coupling factors have nonterminating possibility due to dissipative gravitational collapse; this framework gives the momentous foundation in the modeling of relativistic structures. In this respect we see another previous work given by [63]; a partial technique is used to discuss the impacts of bulk dissipative gravitating collapse in cylindrical surface of the star with leaving the thermodynamical heat radiating coupling factors in the transport equations.…”

Section: Discussionmentioning

confidence: 99%

Dynamics of Dissipative Viscous Cylindrical Collapse with Full Causal Approach in f(R) Gravity

Abbas

Nazar

2018

Advances in High Energy Physics

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The idea of this article is to examine the effects on dynamics of dissipative gravitational collapse in nonstatic cylindrical symmetric geometry by using Misner-Sharp concept in framework of metric f(R) gravity theory. In this interest, we extended our study to the dissipative dark source case in both forms of heat flow and the free radiation streaming. Moreover, the role of different quantities such as heat flux, bulk, and shear viscosity in the dynamical equation is evaluated in thorough version. The dynamical equation is then coupled with full causal transportation equations in the context of Israel-Stewart formalism. The present scheme explains the physical consequences of the gravitational collapse and that is given in the decreasing form of inertial mass density which depends on thermodynamics viscous/heat coupling factors in background of f(R) theory of gravity. It is very interesting to tell us that the motives of this theory are reproduced for f(R)=R into general theory of relativity that has been done earlier.

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Section: Discussionmentioning

confidence: 99%

Dynamics of Dissipative Viscous Cylindrical Collapse with Full Causal Approach in f(R) Gravity

Abbas

Nazar

2018

Advances in High Energy Physics

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“…It is pretty related to allusion that thermodynamical viscid/heat radiating coupling factors have been kept as non-terminating due to this theory gives the momentous foundation for the designing of variational astral model. Current scenario [59] took a partial technique to confer the impacts of bulk dissipative gravitating collapse source in cylindrical surface of the star with deserting the thermodynamical heat radiating coupling factors in the transport equations.…”

Section: Discussionmentioning

confidence: 99%

Dissipative Viscous Cylindrical Collapse in $f(R)$ Gravity With Full Causal Approach

Abbas,

Nazar

2018

Preprint

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The plan of this study is to inspect the effects of dynamics of dissipative gravitational collapse in cylindrical symmetric non-static spacetime by using Misner-Sharp concept in context of metric f (R) theory of gravity. For more generic isotropic fluid distribution of cylindrical object by dissipative nature of dark source of the fluid due to energy matter tensor,the Misner-Sharp approach technique has been used to illustrate the heat flux with free radiating out flow, bulk and shear viscosity. Furthermore, dynamical equation have been associated with full casual heat transportation equations in framework of M üller-Israel-Stewart formalism. The present study explain the effects of thermodynamics viscid/heat radiating coupling factors on gravitational collapse in M üller-Israel-Stewart notion and matches with the consequences of prior astrophysicists by excluding such coefficients and viscosity variables.

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“…[46] Various outcomes of charged cylindrical collapse models inspired by different matter properties are presented. [47][48][49] Despite the aforementioned GR consequences, several novel findings have reported in consideration of models of gravitationally collapsing stars in the f (R) context. Various theorists [4,6,7,50,51] have contributed adequate insights covering this phenomenon within the generalized versions of f (R) gravity.…”

Section: Introductionmentioning

confidence: 99%

Collapsing Shear‐Free Anisotropic Embedding Star Model in f(R)$f(R)$ Gravity

Nazar,

Abbas,

Abbas

et al. 2024

Fortschritte der Physik

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The current paper studied the dynamics of shear‐free and spherically symmetric collapsing stars by incorporating the features of anisotropic dissipative fluid in the realm of gravity. A complete radiative star model that describes the early static configuration obeying the embedding class 1 approach is generated. To acquittance the exact solutions of the geometric variables, a specific form of pressure anisotropy along with a time‐dependent Karmarkar condition is employed, leading to a spacetime solution that seems to be potentially reliable and regular throughout the collapse process. The matching conditions have been thoroughly investigated between the interior geometry and the Vaidya outgoing solution over the junction interface. The physical attributes of our solutions to the Einstein field equations under two viable and cosmologically well‐consistent models of are manifested. The presented features are in a stable equilibrium state and sustainable to model a dynamic structure of gravitational collapse without forming the black hole.

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Dynamics of charged bulk viscous collapsing cylindrical source with heat flux

Cited by 29 publications

References 59 publications

Dynamics of Dissipative Viscous Cylindrical Collapse with Full Causal Approach in f(R) Gravity

Dynamics of Dissipative Viscous Cylindrical Collapse with Full Causal Approach in f(R) Gravity

Dissipative Viscous Cylindrical Collapse in $f(R)$ Gravity With Full Causal Approach

Collapsing Shear‐Free Anisotropic Embedding Star Model in f(R)$f(R)$ Gravity

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