Insights on the stability of compact stars under Durgapal–Lake metric potentials in the framework of non-conservative theory of gravity

Waseem, Arfa; Chaudhary, Tooba; Naeem, Sunaiha; Almutairi, Bander; Javed, Faisal

doi:10.1016/j.dark.2024.101609

Physics of the Dark Universe

2024

DOI: 10.1016/j.dark.2024.101609

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Insights on the stability of compact stars under Durgapal–Lake metric potentials in the framework of non-conservative theory of gravity

Arfa Waseem,

Tooba Chaudhary,

Sunaiha Naeem

et al.

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2024

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Study of isotropic stellar models via durgapal-lake solutions in rastall system

Waseem,

Naeem

2024

Phys. Scr.

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This manuscript is dealt with the influences of Rastall factor on the physical aspects of isotropic celestial models. In this scenario, both the ideal fluid distribution and static spherically symmetry are taken into consideration. In specifically, the Durgapal-Lake solutions are taken into consideration to analyze the different characteristics of several specific compact star models like Her X-1, Vela X-1, LMC X-4 and RXJ 1856-37. Due to its innovative combination of two methodologies, this solution is a significant advancement on Durgapal-Fuloria and Lake's previous ansatz in enormous crucial eras. Using observed estimates of radii and masses of certain specific star objects, the undefined parameters in Durgapal-Lake ansatz are derived by matching conditions. The consistency of the adopted solutions is examined through the visual interpretation of matter constituents, equation of state factor, energy conditions, mass function and stability criteria corresponding to distinct choices of Rastall factor. The radially symmetric graphs of matter variables as well as the mass function are also displayed. Moreover, We present the graphical analysis for vanishing Rastall factor. It is concluded that in the context of Rastall theory, the stars under examination exhibit stable compositions with Durgapal-Lake solution, while in the context of general relativity, they exhibit instability.

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Study of isotropic stellar models via durgapal-lake solutions in rastall system

Waseem,

Naeem

2024

Phys. Scr.

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Insights on the stability of compact stars under Durgapal–Lake metric potentials in the framework of non-conservative theory of gravity

Cited by 1 publication

References 62 publications

Study of isotropic stellar models via durgapal-lake solutions in rastall system

Study of isotropic stellar models via durgapal-lake solutions in rastall system

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