Browsing by Author "Muhammad Taimoor Murtaza"

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    Interior Solutions of Charged Anisotropic Gravastar in f (R, T ) Gravity
    (Library Information Services, COMSATS University Islamabad, Lahore Campus, 2022) Muhammad Taimoor Murtaza; CIIT/FA20-RMT-028/LHR; Dr. Rabia Saleem; LHR TP 7932
    In 1998, the Nobel Prize-winning discovery of the accelerating cosmic expan- sion demands physically consistent models to describe the origin of this current acceleration. As a result, during the last two decades, there have been several theoretical and experimental efforts into improving our understanding of the dynamics of the Universe. To support the lines, we consider the imperfect fluid distribution with in gravastar in the framework of f(R, T ) gravity and evaluate the major matter contents in the quintessence regime via conformal symmetry. After considering the well-known matching conditions with the exterior one, we investigate the various realistic features of thin shell gravastars with radial perturbation along with an electromagnetic field through a particular equation of state (EoS). The matter configuration around the black hole (BH) geometry is examined through various physical properties and checks the stability of gravastar for various values of involved model parameters. It is worth men- tioning that the realistic features of gravastars such as Proper Length, Entropy, and Thin Shell Energy satisfy the linear relationship between the thickness of the shell. Moreover, the speed of sound parameter η(a), is utilized to examine the stable configuration of the thin shell which supports the acceptability of our considered model.