International Journal of Modern Physics D, ISSN 0218-2718, 03/2016, Volume 25, Issue 3, pp. 1630007 - 244

In this paper, we summarize some of the main observational challenges for the standard Friedmann–Lemaître–Robertson–Walker (FLRW) cosmological model and...

cosmic microwave background | Large-scale structure | general-relativistic effects | statistics | GENERAL-RELATIVITY | GALAXY DISTRIBUTION | WMAP | DARK ENERGY SURVEY | LOCAL HOLE | ASTRONOMY & ASTROPHYSICS | MICROWAVE BACKGROUND ANISOTROPY | INHOMOGENEOUS FLUIDS | AVERAGE PROPERTIES | UNIVERSE | VOIDS | Cosmology and Extra-Galactic Astrophysics | Physics | Astrophysics

cosmic microwave background | Large-scale structure | general-relativistic effects | statistics | GENERAL-RELATIVITY | GALAXY DISTRIBUTION | WMAP | DARK ENERGY SURVEY | LOCAL HOLE | ASTRONOMY & ASTROPHYSICS | MICROWAVE BACKGROUND ANISOTROPY | INHOMOGENEOUS FLUIDS | AVERAGE PROPERTIES | UNIVERSE | VOIDS | Cosmology and Extra-Galactic Astrophysics | Physics | Astrophysics

Journal Article

The European Physical Journal C, ISSN 1434-6044, 7/2018, Volume 78, Issue 7, pp. 1 - 11

In this work, we explore a class of compact charged objects that have been tested against experimental and observational constraints with some known compact...

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 | EQUATION-OF-STATE | FLUID SPHERES | ANALOG | STABILITY | FIELD | GENERAL-RELATIVISTIC OBJECTS | MAXIMUM MASS | MASS-RADIUS RATIO | PHYSICS, PARTICLES & FIELDS | Gravitation | Computational fluid dynamics | Acceptable noise levels | Astronomical models | Maxwell's equations | Graphical representations | Stellar models | Physics - General Physics | 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 | EQUATION-OF-STATE | FLUID SPHERES | ANALOG | STABILITY | FIELD | GENERAL-RELATIVISTIC OBJECTS | MAXIMUM MASS | MASS-RADIUS RATIO | PHYSICS, PARTICLES & FIELDS | Gravitation | Computational fluid dynamics | Acceptable noise levels | Astronomical models | Maxwell's equations | Graphical representations | Stellar models | Physics - General Physics | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

Journal Article

Publications of the Astronomical Society of Australia, ISSN 1323-3580, 01/2016, Volume 33

Models of neutrino- driven core-collapse supernova explosions have matured considerably in recent years. Explosions of low-mass progenitors can routinely be...

hydrodynamics-instabilities-neutrinos-stars: evolution-stars: massive-supernovae: general | neutrinos | ELECTRON-CAPTURE SUPERNOVAE | stars: evolution | GENERAL-RELATIVISTIC SIMULATIONS | R-PROCESS NUCLEOSYNTHESIS | MAGNETIC-FIELD AMPLIFICATION | hydrodynamics | NEUTRINO-DRIVEN SUPERNOVA | instabilities | supernovae: general | RADIATION HYDRODYNAMICS SIMULATIONS | ACCRETION-SHOCK INSTABILITY | EQUATION-OF-STATE | ADVECTIVE-ACOUSTIC CYCLE | ASTRONOMY & ASTROPHYSICS | stars: massive | M-CIRCLE-DOT

hydrodynamics-instabilities-neutrinos-stars: evolution-stars: massive-supernovae: general | neutrinos | ELECTRON-CAPTURE SUPERNOVAE | stars: evolution | GENERAL-RELATIVISTIC SIMULATIONS | R-PROCESS NUCLEOSYNTHESIS | MAGNETIC-FIELD AMPLIFICATION | hydrodynamics | NEUTRINO-DRIVEN SUPERNOVA | instabilities | supernovae: general | RADIATION HYDRODYNAMICS SIMULATIONS | ACCRETION-SHOCK INSTABILITY | EQUATION-OF-STATE | ADVECTIVE-ACOUSTIC CYCLE | ASTRONOMY & ASTROPHYSICS | stars: massive | M-CIRCLE-DOT

Journal Article

General Relativity and Gravitation, ISSN 0001-7701, 3/2017, Volume 49, Issue 3, pp. 1 - 13

By starting with a seed Newtonian potential–density pair we construct relativistic thick spherical shell models for a Majumdar–Papapetrou type conformastatic...

Conformastatic spacetimes | Spherical symmetry | Theoretical, Mathematical and Computational Physics | General relativity | Quantum Physics | Disk–haloes | Differential Geometry | Classical and Quantum Gravitation, Relativity Theory | Physics | Astronomy, Astrophysics and Cosmology | PHYSICS, MULTIDISCIPLINARY | DISKS | FIELD | ASTRONOMY & ASTROPHYSICS | GENERAL-RELATIVISTIC MODELS | Disk-haloes | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

Conformastatic spacetimes | Spherical symmetry | Theoretical, Mathematical and Computational Physics | General relativity | Quantum Physics | Disk–haloes | Differential Geometry | Classical and Quantum Gravitation, Relativity Theory | Physics | Astronomy, Astrophysics and Cosmology | PHYSICS, MULTIDISCIPLINARY | DISKS | FIELD | ASTRONOMY & ASTROPHYSICS | GENERAL-RELATIVISTIC MODELS | Disk-haloes | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

Journal Article

5.
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Disc-jet coupling in black hole accretion systems - II. Force-free electrodynamical models

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2007, Volume 375, Issue 2, pp. 531 - 547

In Paper I, we showed that time-dependent general relativistic magnetohydrodynamic (GRMHD) numerical models of accretion discs, although being highly...

X‐rays: bursts | black hole physics | galaxies: jets | accretion, accretion discs | gamma rays: bursts | Gamma rays: bursts | Accretion, accretion discs | X-rays: bursts | Black hole physics | Galaxies: jets | galaxies : jets | FREE MAGNETOSPHERE | NUMERICAL-MODELS | WINDS | NEUTRON-STARS | GENERAL-RELATIVISTIC MAGNETOHYDRODYNAMICS | MAGNETICALLY DRIVEN JETS | gamma rays : bursts | PLASMA | ASTRONOMY & ASTROPHYSICS | X-rays : bursts | FLOWS | SIMULATIONS | ELECTROMAGNETIC EXTRACTION | Mathematical models | Magnetic fields | Stars & galaxies | Astronomy | Physics - Cosmology and Nongalactic Astrophysics | Physics - Earth and Planetary Astrophysics | Physics - Instrumentation and Methods for Astrophysics | Physics - High Energy Astrophysical Phenomena | Physics - Solar and Stellar Astrophysics | Physics - Astrophysics of Galaxies

X‐rays: bursts | black hole physics | galaxies: jets | accretion, accretion discs | gamma rays: bursts | Gamma rays: bursts | Accretion, accretion discs | X-rays: bursts | Black hole physics | Galaxies: jets | galaxies : jets | FREE MAGNETOSPHERE | NUMERICAL-MODELS | WINDS | NEUTRON-STARS | GENERAL-RELATIVISTIC MAGNETOHYDRODYNAMICS | MAGNETICALLY DRIVEN JETS | gamma rays : bursts | PLASMA | ASTRONOMY & ASTROPHYSICS | X-rays : bursts | FLOWS | SIMULATIONS | ELECTROMAGNETIC EXTRACTION | Mathematical models | Magnetic fields | Stars & galaxies | Astronomy | Physics - Cosmology and Nongalactic Astrophysics | Physics - Earth and Planetary Astrophysics | Physics - Instrumentation and Methods for Astrophysics | Physics - High Energy Astrophysical Phenomena | Physics - Solar and Stellar Astrophysics | Physics - Astrophysics of Galaxies

Journal Article

The European Physical Journal Plus, ISSN 2190-5444, 4/2019, Volume 134, Issue 4, pp. 1 - 15

We investigate the behaviour of the Tolman metrics within the formalism of the trace-free (or unimodular) gravity. A solution generating algorithm is presented...

Condensed Matter Physics | Atomic, Molecular, Optical and Plasma Physics | Applied and Technical Physics | Theoretical, Mathematical and Computational Physics | Complex Systems | Physics | TENSOR | COSMOLOGICAL CONSTANT | PHYSICS, MULTIDISCIPLINARY | APPROACHING SCHWARZSCHILD LIMIT | EQUATIONS | DYNAMICAL INSTABILITY | GENERAL-RELATIVISTIC STARS | GRAVITY

Condensed Matter Physics | Atomic, Molecular, Optical and Plasma Physics | Applied and Technical Physics | Theoretical, Mathematical and Computational Physics | Complex Systems | Physics | TENSOR | COSMOLOGICAL CONSTANT | PHYSICS, MULTIDISCIPLINARY | APPROACHING SCHWARZSCHILD LIMIT | EQUATIONS | DYNAMICAL INSTABILITY | GENERAL-RELATIVISTIC STARS | GRAVITY

Journal Article

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Millisecond radio pulsars with known masses: Parameter values and equation of state models

New Astronomy, ISSN 1384-1076, 07/2017, Volume 54, pp. 61 - 71

The recent fast growth of a population of millisecond pulsars with precisely measured mass provides an excellent opportunity to characterize these compact...

Stars: neutron | Equation of state | Pulsars | Methods: numerical | Stars: rotation | REALISTIC EQUATIONS | ROTATING NEUTRON-STARS | STRANGE STARS | GENERAL-RELATIVISTIC SPECTRA | DISCOVERY | X-RAY BINARY | ACCRETION DISCS | TEMPERATURE PROFILES | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | QUARK MATTER | Analysis | Nuclear physics | Quarks | Astronomy

Stars: neutron | Equation of state | Pulsars | Methods: numerical | Stars: rotation | REALISTIC EQUATIONS | ROTATING NEUTRON-STARS | STRANGE STARS | GENERAL-RELATIVISTIC SPECTRA | DISCOVERY | X-RAY BINARY | ACCRETION DISCS | TEMPERATURE PROFILES | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | QUARK MATTER | Analysis | Nuclear physics | Quarks | Astronomy

Journal Article

International Journal of Modern Physics A, ISSN 0217-751X, 10/2013, Volume 28, Issue 27, p. 1350131

We have developed a unified scheme for studying noncommutative algebras based on generalized uncertainty principle (GUP) and Snyder form in a relativistically...

GUP-based deformed algebras | General relativistic lagrangian | SPACETIME | PHYSICS, NUCLEAR | general relativistic Lagrangian | GRAVITY | PHYSICS, PARTICLES & FIELDS | Analysis | Algebra

GUP-based deformed algebras | General relativistic lagrangian | SPACETIME | PHYSICS, NUCLEAR | general relativistic Lagrangian | GRAVITY | PHYSICS, PARTICLES & FIELDS | Analysis | Algebra

Journal Article

General Relativity and Gravitation, ISSN 0001-7701, 9/2019, Volume 51, Issue 9, pp. 1 - 57

We investigate the field equations in the Einstein-aether theory for static spherically symmetric spacetimes and a perfect fluid source and subsequently with...

Asymptotic behaviour | Theoretical, Mathematical and Computational Physics | Quantum Physics | Differential Geometry | Einstein-aether theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Astronomy, Astrophysics and Cosmology | Static spherically symmetric spacetimes | CONNECTION | PERTURBATIONS | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | GENERAL-RELATIVISTIC STARS | EVOLUTION-EQUATIONS | ORDINARY DIFFERENTIAL-EQUATIONS | BLACK-HOLES | PHYSICS, PARTICLES & FIELDS

Asymptotic behaviour | Theoretical, Mathematical and Computational Physics | Quantum Physics | Differential Geometry | Einstein-aether theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Astronomy, Astrophysics and Cosmology | Static spherically symmetric spacetimes | CONNECTION | PERTURBATIONS | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | GENERAL-RELATIVISTIC STARS | EVOLUTION-EQUATIONS | ORDINARY DIFFERENTIAL-EQUATIONS | BLACK-HOLES | PHYSICS, PARTICLES & FIELDS

Journal Article

The European Physical Journal Plus, ISSN 2190-5444, 1/2016, Volume 131, Issue 1, pp. 1 - 10

New classes of exact solutions which could serve as sources for the Reissner-Nordstrom metric representing the exterior gravitational field of an isolated...

Condensed Matter Physics | Atomic, Molecular, Optical and Plasma Physics | Applied and Technical Physics | Statistical Physics, Dynamical Systems and Complexity | Theoretical, Mathematical and Computational Physics | Physics | CHARGED SPHERES | FLUID | ANALOG | PHYSICS, MULTIDISCIPLINARY | EQUATIONS | GENERAL-RELATIVISTIC STARS | STELLAR MODEL

Condensed Matter Physics | Atomic, Molecular, Optical and Plasma Physics | Applied and Technical Physics | Statistical Physics, Dynamical Systems and Complexity | Theoretical, Mathematical and Computational Physics | Physics | CHARGED SPHERES | FLUID | ANALOG | PHYSICS, MULTIDISCIPLINARY | EQUATIONS | GENERAL-RELATIVISTIC STARS | STELLAR MODEL

Journal Article

International Journal of Modern Physics C, ISSN 0129-1831, 05/2012, Volume 23, Issue 5, p. 1250038

In this paper, we modify the Runge–Kutta–Fehlberg code of fourth and fifth order with the purpose of solving initial value problems established on ordinary...

LaneEmden equation | ordinary differential equations | numerical methods | initial value problems | neutron stars | RungeKuttaFehlberg code | polytropic models | General-relativistic models | SYSTEM | NUMERICAL TREATMENT | Lane-Emden equation | ODES | Runge-Kutta-Fehlberg code | PHYSICS, MATHEMATICAL | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS | TAYLOR-SERIES

LaneEmden equation | ordinary differential equations | numerical methods | initial value problems | neutron stars | RungeKuttaFehlberg code | polytropic models | General-relativistic models | SYSTEM | NUMERICAL TREATMENT | Lane-Emden equation | ODES | Runge-Kutta-Fehlberg code | PHYSICS, MATHEMATICAL | COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS | TAYLOR-SERIES

Journal Article

New Astronomy, ISSN 1384-1076, 08/2015, Volume 39, pp. 36 - 45

We develop a “hybrid approximative scheme” in the framework of the post-Newtonian approximation for computing general-relativistic polytropic models simulating...

General-relativistic polytropic models | Neutron stars | Post-Newtonian approximation | Critical rotation | NUMERICAL TREATMENT | ASTRONOMY & ASTROPHYSICS | EQUATIONS | HYDRODYNAMICS | Physics - General Relativity and Quantum Cosmology

General-relativistic polytropic models | Neutron stars | Post-Newtonian approximation | Critical rotation | NUMERICAL TREATMENT | ASTRONOMY & ASTROPHYSICS | EQUATIONS | HYDRODYNAMICS | Physics - General Relativity and Quantum Cosmology

Journal Article

International Journal of Theoretical Physics, ISSN 0020-7748, 10/2016, Volume 55, Issue 10, pp. 4298 - 4309

In this paper, we present the fractional Mei symmetrical method of finding conserved quantity and explore its applications to physics. For the fractional...

Fractional generalized Hamiltonian system | Conserved quantity | Fractional three-body model | Fractional Mei symmetry | Theoretical, Mathematical and Computational Physics | Fractional Robbins–Lorenz model | Quantum Physics | Fractional general relativistic Buchduhl model | Physics, general | Physics | Elementary Particles, Quantum Field Theory | BIRKHOFFIAN SYSTEMS | SEQUENTIAL MECHANICS | PHYSICS, MULTIDISCIPLINARY | STABILITY | TERMS | EQUATIONS | Fractional Robbins-Lorenz model | FORM INVARIANCE | CONFORMAL-INVARIANCE | LAGRANGE | GENERALIZED HAMILTONIAN-SYSTEMS | DERIVATIVES | Occupations | Methods

Fractional generalized Hamiltonian system | Conserved quantity | Fractional three-body model | Fractional Mei symmetry | Theoretical, Mathematical and Computational Physics | Fractional Robbins–Lorenz model | Quantum Physics | Fractional general relativistic Buchduhl model | Physics, general | Physics | Elementary Particles, Quantum Field Theory | BIRKHOFFIAN SYSTEMS | SEQUENTIAL MECHANICS | PHYSICS, MULTIDISCIPLINARY | STABILITY | TERMS | EQUATIONS | Fractional Robbins-Lorenz model | FORM INVARIANCE | CONFORMAL-INVARIANCE | LAGRANGE | GENERALIZED HAMILTONIAN-SYSTEMS | DERIVATIVES | Occupations | Methods

Journal Article

New Astronomy, ISSN 1384-1076, 04/2014, Volume 28, pp. 9 - 16

In this paper, the problem of computing uniformly rotating polytropic models in the post-Newtonian approximation is revisited by applying to its treatment the...

General-relativistic models | Neutron stars | Post-Newtonian approximation | Polytropes | Rotation | SYSTEM | NUMERICAL TREATMENT | ASTRONOMY & ASTROPHYSICS | EQUILIBRIUM | HYDRODYNAMICS | EQUATIONS | CONFIGURATIONS

General-relativistic models | Neutron stars | Post-Newtonian approximation | Polytropes | Rotation | SYSTEM | NUMERICAL TREATMENT | ASTRONOMY & ASTROPHYSICS | EQUILIBRIUM | HYDRODYNAMICS | EQUATIONS | CONFIGURATIONS

Journal Article

Astronomy & Astrophysics, ISSN 1432-0746, 2016, Volume 595, pp. 1 - 36

Gaia is a cornerstone mission in the science programme of the European Space Agency (ESA). The spacecraft construction was approved in 2006, following a study...

Space vehicles: instruments | Telescopes | Parallaxes | Galaxy: structure | Proper motions | Astrometry | space vehicles: instruments | DATA RELEASE 1 | FGK BENCHMARK STARS | GRAVITATIONAL-FIELD | GENERAL-RELATIVISTIC MODEL | STANDARD STARS | telescopes | ASTRONOMY & ASTROPHYSICS | BASIC ANGLE | parallaxes | CCD RADIATION-DAMAGE | LIGHT-PROPAGATION | SOLAR-SYSTEM | astrometry | proper motions | ERROR CHARACTERIZATION | Spacecraft modules | Scanning | Spacecraft | Data processing | Recall | Missions | Commissioning | Payloads | Physics - Instrumentation and Methods for Astrophysics | Galàxies | Parallax | Galaxies | Astrometria | Paral·laxi | Sciences of the Universe | Astrophysics | Instrumentation and Methods for Astrophysic | Fysik | Physical Sciences | Astronomi, astrofysik och kosmologi | Naturvetenskap | Natural Sciences | Astronomy, Astrophysics and Cosmology

Space vehicles: instruments | Telescopes | Parallaxes | Galaxy: structure | Proper motions | Astrometry | space vehicles: instruments | DATA RELEASE 1 | FGK BENCHMARK STARS | GRAVITATIONAL-FIELD | GENERAL-RELATIVISTIC MODEL | STANDARD STARS | telescopes | ASTRONOMY & ASTROPHYSICS | BASIC ANGLE | parallaxes | CCD RADIATION-DAMAGE | LIGHT-PROPAGATION | SOLAR-SYSTEM | astrometry | proper motions | ERROR CHARACTERIZATION | Spacecraft modules | Scanning | Spacecraft | Data processing | Recall | Missions | Commissioning | Payloads | Physics - Instrumentation and Methods for Astrophysics | Galàxies | Parallax | Galaxies | Astrometria | Paral·laxi | Sciences of the Universe | Astrophysics | Instrumentation and Methods for Astrophysic | Fysik | Physical Sciences | Astronomi, astrofysik och kosmologi | Naturvetenskap | Natural Sciences | Astronomy, Astrophysics and Cosmology

Journal Article

Astrophysical Journal, ISSN 0004-637X, 05/2014, Volume 786, Issue 2, pp. 83 - 8

We present numerical results on two-(2D) and three-dimensional (3D) hydrodynamic core-collapse simulations of an 11.2M circle dot star. By changing numerical...

neutrinos | supernovae: general | hydrodynamics | MASSIVE STARS | GENERAL-RELATIVISTIC SIMULATIONS | SASI ACTIVITY | POSTBOUNCE EVOLUTION | 3 DIMENSIONS | ACCRETION-SHOCK INSTABILITY | CIRCLE-DOT STAR | DRIVEN CONVECTION | EQUATION-OF-STATE | ASTRONOMY & ASTROPHYSICS | GRAVITATIONAL-WAVE SIGNALS | Computer simulation | Instability | Mathematical models | Explosions | Stochasticity | Two dimensional | Dynamical systems | Three dimensional | DISTURBANCES | GRAVITATIONAL COLLAPSE | STOCHASTIC PROCESSES | HYDRODYNAMIC MODEL | APPROXIMATIONS | RESOLUTION | SUPERNOVAE | THREE-DIMENSIONAL CALCULATIONS | TWO-DIMENSIONAL CALCULATIONS | COMPUTERIZED SIMULATION | EXPLOSIONS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | PERTURBATION THEORY | DIFFUSION | NEUTRINOS | ENERGY DEPENDENCE

neutrinos | supernovae: general | hydrodynamics | MASSIVE STARS | GENERAL-RELATIVISTIC SIMULATIONS | SASI ACTIVITY | POSTBOUNCE EVOLUTION | 3 DIMENSIONS | ACCRETION-SHOCK INSTABILITY | CIRCLE-DOT STAR | DRIVEN CONVECTION | EQUATION-OF-STATE | ASTRONOMY & ASTROPHYSICS | GRAVITATIONAL-WAVE SIGNALS | Computer simulation | Instability | Mathematical models | Explosions | Stochasticity | Two dimensional | Dynamical systems | Three dimensional | DISTURBANCES | GRAVITATIONAL COLLAPSE | STOCHASTIC PROCESSES | HYDRODYNAMIC MODEL | APPROXIMATIONS | RESOLUTION | SUPERNOVAE | THREE-DIMENSIONAL CALCULATIONS | TWO-DIMENSIONAL CALCULATIONS | COMPUTERIZED SIMULATION | EXPLOSIONS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | PERTURBATION THEORY | DIFFUSION | NEUTRINOS | ENERGY DEPENDENCE

Journal Article