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

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-Gaussâ€“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

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

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

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

We present a new class of closed-form solutions to the Einsteinâ€“Maxwell system of equations for a static spherically symmetric anisotropic star in the presence...

relativistic stars | Astrophysics and Astroparticles | exact solution | Einsteinâ€“Maxwell system | Physics | Astronomy, Observations and Techniques | PULSARS | ANALOGS | OBJECTS | INTERIOR SOLUTIONS | PHASE | STAR | Einstein-Maxwell system | ASTRONOMY & ASTROPHYSICS | MASS | ANISOTROPIC SPHERES | EQUATION | CHARGED FLUID | Economic models | Anisotropy | Physical analysis | Astronomical models | Electric fields | Viability | Stellar models

relativistic stars | Astrophysics and Astroparticles | exact solution | Einsteinâ€“Maxwell system | Physics | Astronomy, Observations and Techniques | PULSARS | ANALOGS | OBJECTS | INTERIOR SOLUTIONS | PHASE | STAR | Einstein-Maxwell system | ASTRONOMY & ASTROPHYSICS | MASS | ANISOTROPIC SPHERES | EQUATION | CHARGED FLUID | Economic models | Anisotropy | Physical analysis | Astronomical models | Electric fields | Viability | Stellar models

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 | Einsteinâ€“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

equation of state | relativistic stars | Astrophysics and Astroparticles | Physics | Astronomy, Observations and Techniques | Einsteinâ€“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

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

The European Physical Journal C, ISSN 1434-6044, 1/2015, Volume 75, Issue 1, pp. 1 - 9

We derive a radiating regular rotating black hole solution, radiating Kerr-like regular black hole solution. We achieve this by starting from the Hayward...

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | COSMIC CENSORSHIP | EVENT HORIZONS | MATTER | NONLINEAR ELECTRODYNAMICS | GENERAL-RELATIVITY | INFLATION | FIELD | ENERGY-MOMENTUM TENSOR | UNIVERSE | PHYSICS, PARTICLES & FIELDS | Black holes (astronomy) | Transformations | Rotating | Standards | Physics - General Relativity and Quantum Cosmology | Physics and Astronomy (miscellaneous) | General Relativity and Quantum Cosmology | Pattern Formation and Solitons | Astrophysics | Engineering (miscellaneous) | Optics | Nonlinear Sciences | High Energy Astrophysical Phenomena

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | COSMIC CENSORSHIP | EVENT HORIZONS | MATTER | NONLINEAR ELECTRODYNAMICS | GENERAL-RELATIVITY | INFLATION | FIELD | ENERGY-MOMENTUM TENSOR | UNIVERSE | PHYSICS, PARTICLES & FIELDS | Black holes (astronomy) | Transformations | Rotating | Standards | Physics - General Relativity and Quantum Cosmology | Physics and Astronomy (miscellaneous) | General Relativity and Quantum Cosmology | Pattern Formation and Solitons | Astrophysics | Engineering (miscellaneous) | Optics | Nonlinear Sciences | High Energy Astrophysical Phenomena

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

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

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

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, 8/2017, Volume 77, Issue 8, pp. 1 - 9

As we know that the Lovelock theory is an extension of the general relativity to the higher-dimensions, in this theory the first- and the second-order terms...

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | TENSOR | THERMODYNAMICS | SCHWARZSCHILD | GRAVITY | ENTROPY | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Gravitation | Quintessence (cosmology) | Black holes | Phase transitions | Relativity | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | TENSOR | THERMODYNAMICS | SCHWARZSCHILD | GRAVITY | ENTROPY | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Gravitation | Quintessence (cosmology) | Black holes | Phase transitions | Relativity | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

Journal Article

The European Physical Journal C, ISSN 1434-6044, 1/2018, Volume 78, Issue 1, pp. 1 - 7

In this paper we employ the Karmarkar condition (Proc Indian Acad Sci A 27:56, 1948) to model a spherically symmetric radiating star undergoing dissipative...

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | SHEAR | STELLAR COLLAPSE | LIE SYMMETRIES | PHYSICS, PARTICLES & FIELDS | Gravitation | Heat flux | Gravitational collapse | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | SHEAR | STELLAR COLLAPSE | LIE SYMMETRIES | PHYSICS, PARTICLES & FIELDS | Gravitation | Heat flux | Gravitational collapse | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

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 | Einsteinâ€“Maxwellâ€“dilaton theory | BLACK-HOLE | PHYSICS, MULTIDISCIPLINARY | Einstein-Maxwell-dilaton theory | Questions and answers | Analysis | Physics - General Relativity and Quantum Cosmology

Wormholes | Shadow | Einsteinâ€“Maxwellâ€“dilaton theory | BLACK-HOLE | PHYSICS, MULTIDISCIPLINARY | Einstein-Maxwell-dilaton theory | Questions and answers | Analysis | Physics - General Relativity and Quantum Cosmology

Journal Article

Astrophysics and Space Science, ISSN 0004-640X, 8/2014, Volume 352, Issue 2, pp. 719 - 727

We perform a detailed physical analysis for a class of exact solutions for the Einsteinâ€“Maxwell equations. The linear equation of state consistent with quark...

Compact bodies | Astrophysics and Astroparticles | Astrobiology | Quarks stars | Cosmology | Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) | Physics | Astronomy, Observations and Techniques | Einsteinâ€“Maxwell equations | Einstein-Maxwell equations | RELATIVISTIC STARS | EQUATION-OF-STATE | STRANGE STARS | SPHERES | ASTRONOMY & ASTROPHYSICS | MASS | Computer science | Electromagnetism | Electromagnetic fields | Anisotropy | Analysis | Quarks | Mathematical models | Astrophysics | Stars & galaxies | Physics - General Relativity and Quantum Cosmology

Compact bodies | Astrophysics and Astroparticles | Astrobiology | Quarks stars | Cosmology | Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics) | Physics | Astronomy, Observations and Techniques | Einsteinâ€“Maxwell equations | Einstein-Maxwell equations | RELATIVISTIC STARS | EQUATION-OF-STATE | STRANGE STARS | SPHERES | ASTRONOMY & ASTROPHYSICS | MASS | Computer science | Electromagnetism | Electromagnetic fields | Anisotropy | Analysis | Quarks | Mathematical models | Astrophysics | Stars & galaxies | Physics - General Relativity and Quantum Cosmology

Journal Article

The European Physical Journal C, ISSN 1434-6044, 6/2015, Volume 75, Issue 6, pp. 1 - 9

We obtain a new exact solution to the field equations for a 5-dimensional spherically symmetric static distribution in the Einsteinâ€“Gaussâ€“Bonnet modified...

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | COMPACT STARS | FIELD | STELLAR MODEL | PHYSICS, PARTICLES & FIELDS | Analysis | Differential equations | Gravity | Fluids | Adiabatic flow | Computational fluid dynamics | Mathematical analysis | Exact solutions | Energy density | Mathematical models | General Relativity and Quantum Cosmology | Physics and Astronomy (miscellaneous) | Engineering (miscellaneous)

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | COMPACT STARS | FIELD | STELLAR MODEL | PHYSICS, PARTICLES & FIELDS | Analysis | Differential equations | Gravity | Fluids | Adiabatic flow | Computational fluid dynamics | Mathematical analysis | Exact solutions | Energy density | Mathematical models | General Relativity and Quantum Cosmology | Physics and Astronomy (miscellaneous) | Engineering (miscellaneous)

Journal Article

The European Physical Journal C, ISSN 1434-6044, 2/2018, Volume 78, Issue 2, pp. 1 - 8

Lovelock gravity consisting of the dimensionally continued Euler densities is a natural generalization of general relativity to higher dimensions such that...

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | SYMMETRICAL-SOLUTIONS | ENERGY | THERMODYNAMICS | SCHWARZSCHILD | FIELD | GRAVITATION | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Ghosts | Specific heat | Gravitation | Divergence | Quintessence (cosmology) | Black holes | Relativity | Universe | Equations of motion | Phase transitions | Physics - General Relativity and Quantum Cosmology

Nuclear Physics, Heavy Ions, Hadrons | Measurement Science and Instrumentation | Nuclear Energy | Quantum Field Theories, String Theory | Physics | Elementary Particles, Quantum Field Theory | Astronomy, Astrophysics and Cosmology | SYMMETRICAL-SOLUTIONS | ENERGY | THERMODYNAMICS | SCHWARZSCHILD | FIELD | GRAVITATION | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Ghosts | Specific heat | Gravitation | Divergence | Quintessence (cosmology) | Black holes | Relativity | Universe | Equations of motion | Phase transitions | 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

TENSOR | EINSTEIN EQUATIONS | SIGMA-MODEL | ASTRONOMY & ASTROPHYSICS | BLACK-HOLES | PHYSICS, PARTICLES & FIELDS

Journal Article