Publications (21)
Causal heat flow in Bianchi type-V universe
M. Govender, S. Thirukkanesh
In this paper we investigate the role of causal heat transport in a spatially homogeneous, locally-rotationally symmetric Bianchi type-V cosmological model. In particular, the caus…
Gravitationally decoupled strange star model beyond standard maximum mass limit in Einstein-Gauss-Bonnet gravity
S. K. Maurya, Ksh. Newton Singh, M. Govender +1
The recent theoretical advance known as the Minimal Geometric Deformation (MGD) method has initiated a renewed interest in investigating higher curvature gravitational effects in r…
Anisotropic stars for spherically symmetric spacetimes satisfying the Karmarkar condition
S. K. Maurya, B. S. Ratanpal, M. Govender
A new class of solution describing an anisotropic stellar configuration satisfying Karmarkar's condition i.e. spherically symmetric metric of embedding class 1, is reported. It has…
Radiating spherical collapse with heat flow
M. Govender
We present here a simple model of radiative gravitational collapse with radial heat flux which describes qualitatively the stages close to the formation of a superdense cold star.…
A family of charged compact objects with anisotropic pressure
S. K. Maurya, M. Govender
Utilizing an ansatz developed by Maurya and co-workers we present a class of exact solutions of the Einstein-Maxwell field equations describing a spherically symmetric compact obje…
Holographic dark energy as a source for slowly rotating wormholes: Implications for null geodesics and shadows
A. Errehymy, S. K. Maurya, M. Govender +4
In this work, we explore for the first time slowly rotating traversable wormholes embedded in holographic dark energy. We focus on three representative holographic dark energy mode…
Thermal Behaviour of Euclidean Stars
G. Govender, M. Govender, K. S. Govinder
A recent study of dissipative collapse considered a contracting sphere in which the areal and proper radii are equal throughout its evolution. The interior spacetime was matched to…
Anisotropic Spacetimes in -gravity: Bianchi I, Bianchi III and Kantowski-Sachs Cosmologies
R. Bogadi, A. Giacomini, M. Govender +3
We investigate the evolution of cosmological anisotropies within the framework of -gravity. Specifically, we consider a locally rotationally symmetric geometry in…
The effect of gravitational decoupling on constraining the mass and radius for the secondary component of GW190814 and other self-bound strange stars in f(Q)-gravity theory
S. K. Maurya, K. N. Singh, M. Govender +2
Inspired by the conundrum of the gravitational event, GW190814 which brings to light the coalescence of a 23 black hole with a yet to be determined secondary component…
Non-adiabatic spherical collapse with a two-fluid atmosphere
M. Govender
In this work we present an exact model of a spherically symmetric star undergoing dissipative collapse in the form of a radial heat flux. The interior of the star is matched smooth…
Thermodynamical aspects of Bianchi type-I Universe in quadratic form of gravity and observational constraints
M. Koussour, S. H. Shekh, M. Govender +1
In this paper, we discuss the Bianchi type-I cosmological model in the framework of symmetric teleparallel gravity say gravity in which the non-metricity term is respons…
Dynamical stability of new wormhole solutions via cold dark matter and solitonic quantum wave halos in gravity
G. Mustafa, Faisal Javed, S. K. Maurya +2
This current analysis offers novel wormhole solutions in the background of newly developed extended gravity. We use an anisotropic matter source and…
Generating physically realizable stellar structures via embedding
S. K. Maurya, M. Govender
In this work we present an exact solution of the Einstein-Maxwell field equations describing compact, charged objects within the framework of classical general relativity. Our mode…
The role of shear in dissipative gravitational collapse
M. Govender, K. P. Reddy, S. D. Maharaj
In this paper we investigate the physics of a radiating star undergoing dissipative collapse in the form of a radial heat flux. Our treatment clearly demonstrates how the presence…
Anisotropic compact stars in Karmarkar spacetime
Ksh. Newton Singh, Neeraj Pant, M. Govender
We present a new class of solutions to the Einstein field equations for an anisotropic matter distribution in which the interior space-time obeys the Karmarkar condition. The neces…
Radiating stars with generalised Vaidya atmospheres
S. D. Maharaj, G. Govender, M. Govender
We model the gravitational behaviour of a radiating star when the exterior geometry is the generalised Vaidya spacetime. The interior matter distribution is shear-free and undergoi…
Asymptotic Solutions of Radiating Stars
R. S. Bogadi, G. Leon, M. Govender +3
We investigate the evolution of the surface of radiating stars by studying the asymptotic behaviour of exact solutions initiated via the stationary boundary condition. This boundar…
Influence of pressure anisotropy and non-metricity parameter on mass-radius relation and stability of millisecond pulsar in gravity
S. K. Maurya, Ksh. Newton Singh, G. Mustafa +3
In this study we explore the astrophysical implications of pressure anisotropy on the physical characteristics of millisecond pulsars within the framework of gravity, {in pa…
Physical viability of fluid spheres satisfying the Karmarkar condition
Ksh. Newton Singh, Neeraj Pant, M. Govender
We obtain a new solution of the TOV-equation for an anisotropic fluid distribution by imposing the Karmarkar condition. In order to close the system of equations we postulate an in…
Charged anisotropic strange stars in Brans-Dicke gravity with a massive scalar field through embedding approach
S. K. Maurya, Ksh. Newton Singh, M. Govender +1
In this exposition, we seek solutions of the Einstein-Maxwell field equations in the presence of a massive scalar field cast in the Brans-Dicke (BD) formalism which describes charg…
Exploring physical properties of minimally deformed strange star model and constraints on maximum mass limit in gravity
S. K. Maurya, G. Mustafa, M. Govender +1
In this work we take our cue from the observations of gravitational waves of the GW190814 event which suggests that source of the signals can be ascribed to a compact binary coales…