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Journal of Mathematical Physics, ISSN 0022-2488, 05/2019, Volume 60, Issue 5, p. 52503
In this paper, we investigate conformal symmetries in Locally Rotationally Symmetric (LRS) spacetimes using a semitetrad covariant formalism. We establish that... 
Killing | Fluid dynamics | Twisting | Spacetime | Heat flux | Fluid flow
Journal Article
Annals of Physics, ISSN 0003-4916, 01/2020, Volume 412, p. 168025
We find an exact spherically symmetric regular Bardeen-like solutions by considering the coupling between Einstein-Gauss–Bonnet theory and nonlinear... 
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 06/2012, Volume 85, Issue 12
We find exact nonstatic null-dust solutions in metric f(R) gravity, imposed by the constant scalar curvature, which describes the gravitational collapse of... 
ASTRONOMY & ASTROPHYSICS | BLACK-HOLE SOLUTIONS | PHYSICS, PARTICLES & FIELDS
Journal Article
The European Physical Journal Plus, ISSN 2190-5444, 8/2019, Volume 134, Issue 8, pp. 1 - 8
We study superdense relativistic stars with anisotropic matter distributions with spheroidal spatial hypersurfaces. We propose a methodology to make an... 
Condensed Matter Physics | Atomic, Molecular, Optical and Plasma Physics | Applied and Technical Physics | Theoretical, Mathematical and Computational Physics | Complex Systems | Physics | PHYSICS, MULTIDISCIPLINARY | STELLAR MODEL
Journal Article
The European Physical Journal Plus, ISSN 2190-5444, 11/2018, Volume 133, Issue 11, pp. 1 - 10
The interior dynamics of a relativistic fluid in a shear-free spherically symmetric spacetime are investigated. The isotropic matter distribution is an... 
Condensed Matter Physics | Atomic, Molecular, Optical and Plasma Physics | Applied and Technical Physics | Theoretical, Mathematical and Computational Physics | Complex Systems | Physics | INHOMOGENEOUS COSMOLOGICAL MODEL | THERMODYNAMICS | COLLAPSE | PHYSICS, MULTIDISCIPLINARY
Journal Article
Journal of Astrophysics and Astronomy, ISSN 0250-6335, 10/2019, Volume 40, Issue 5, pp. 1 - 15
Journal Article
Journal of Astrophysics and Astronomy, ISSN 0250-6335, 2/2019, Volume 40, Issue 1, pp. 1 - 9
New models for a charged anisotropic star in general relativity are found. We consider a linear equation of state consistent with a strange quark star. In our... 
equation of state | relativistic stars | Astrophysics and Astroparticles | Physics | Astronomy, Observations and Techniques | Einstein–Maxwell equations | STARS | Einstein-Maxwell equations | ASTRONOMY & ASTROPHYSICS | MASS | Equations of state | Anisotropy | Quark stars | Relativity | Astronomical models | Quarks | Maxwell's equations | Linear equations | Stellar models
Journal Article
European Physical Journal C: Particles and Fields, ISSN 1434-6044, 11/2016
We consider the scattering of gravitational waves off a Schwarzschild black hole in $f(R)$ gravity. We show that the reflection and transmission coefficients... 
General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics | Astrophysics - High Energy Astrophysical Phenomena | High Energy Physics - Theory
Journal Article
The European Physical Journal C - Particles and Fields, ISSN 1434-6044, 06/2013, Volume 73, Issue 6
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 10/2014, Volume 90, Issue 8
We perform a careful investigation of the problem of physically realistic gravitational collapse of massive stars in f (R) gravity. We show that the extra... 
ENERGY | GRAVITATIONAL COLLAPSE | F(R) THEORIES | MODELS | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 04/2015, Volume 91, Issue 8
New exact solutions to the field equations in the Einstein-Gauss-Bonnet modified theory of gravity for a five-dimensional spherically symmetric static... 
COLLAPSE | ISOTHERMAL SPHERES | ASTRONOMY & ASTROPHYSICS | STELLAR MODEL | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 04/2014, Volume 89, Issue 8
We present exact spherically symmetric null dust solutions in the third-order Lovelock gravity with a string cloud background in arbitrary N dimensions. This... 
THERMODYNAMICS | GAUSS-BONNET GRAVITY | FIELD | ASTRONOMY & ASTROPHYSICS | TERMS | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology
Journal Article
The European Physical Journal C, ISSN 1434-6044, 1/2018, Volume 78, Issue 1, pp. 1 - 7
Journal Article
Annals of Physics, ISSN 0003-4916, 01/2019, Volume 400, pp. 198 - 207
The study of shadow is quite prominent nowadays because of the ongoing Event Horizon Telescope observations. We construct the shadow images of charged... 
Wormholes | Shadow | Einstein–Maxwell–dilaton theory | BLACK-HOLE | PHYSICS, MULTIDISCIPLINARY | Einstein-Maxwell-dilaton theory | Questions and answers | Analysis | Physics - General Relativity and Quantum Cosmology
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 08/2014, Volume 90, Issue 4
Lovelock theory is a natural extension of the Einstein theory of general relativity to higher dimensions in which the first and second orders correspond,... 
TENSOR | EINSTEIN EQUATIONS | SIGMA-MODEL | ASTRONOMY & ASTROPHYSICS | BLACK-HOLES | PHYSICS, PARTICLES & FIELDS
Journal Article