Astrophysical Journal, ISSN 0004-637X, 01/2019, Volume 871, Issue 1, p. 47

We study how the nature of a hybrid star (perfect fluid, solid, or a mixture of them) could be related to the induction of general relativistic surface degrees...

stars: oscillations | gravitation | dense matter | stars: neutron | ASTRONOMY & ASTROPHYSICS | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | OSCILLATIONS

stars: oscillations | gravitation | dense matter | stars: neutron | ASTRONOMY & ASTROPHYSICS | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | OSCILLATIONS

Journal Article

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, ISSN 0035-8711, 06/2009, Volume 396, Issue 1, pp. 343 - 353

Large dynamic range numerical simulations of atomic cooling driven collapse of gas in pregalactic dark matter haloes with T-vir similar to 10 000 K show that...

SPIRAL GALAXIES | APPROACHING SCHWARZSCHILD LIMIT | ADAPTIVE MESH REFINEMENT | DYNAMICAL INSTABILITY | methods: numerical | STELLAR-SYSTEMS | GENERAL RELATIVITY | cosmology: theory | NUCLEI | EVOLUTION | LUMINOUS QUASARS | ASTRONOMY & ASTROPHYSICS | STRONG RADIO-SOURCES

SPIRAL GALAXIES | APPROACHING SCHWARZSCHILD LIMIT | ADAPTIVE MESH REFINEMENT | DYNAMICAL INSTABILITY | methods: numerical | STELLAR-SYSTEMS | GENERAL RELATIVITY | cosmology: theory | NUCLEI | EVOLUTION | LUMINOUS QUASARS | ASTRONOMY & ASTROPHYSICS | STRONG RADIO-SOURCES

Journal Article

CLASSICAL AND QUANTUM GRAVITY, ISSN 0264-9381, 11/2019, Volume 36, Issue 21, p. 215012

In this paper we present a generic formulation of the linearized dynamical equations governing small adiabatic radial oscillations of relativistic stars. The...

MASSES | QUANTUM SCIENCE & TECHNOLOGY | neutron stars | PHYSICS, MULTIDISCIPLINARY | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STARS | DYNAMICAL INSTABILITY | dissipative | relativity | ASTRONOMY & ASTROPHYSICS | oscillation | PULSATIONS | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

MASSES | QUANTUM SCIENCE & TECHNOLOGY | neutron stars | PHYSICS, MULTIDISCIPLINARY | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STARS | DYNAMICAL INSTABILITY | dissipative | relativity | ASTRONOMY & ASTROPHYSICS | oscillation | PULSATIONS | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

Journal Article

Annals of Physics, ISSN 0003-4916, 10/2019, Volume 409, p. 167905

In this article we propose a relativistic model of a static spherically symmetric anisotropic strange star with the help of Tolman–Kuchowicz (TK) metric...

Tolman–Kuchowicz metric | Equation of state | General relativity | Strange star | PHYSICS, MULTIDISCIPLINARY | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | ENERGY DENSITY | Tolman-Kuchowicz metric | MODELS | CONTRACTION | FIELD-EQUATIONS | MASS | ANISOTROPIC SPHERES | MAGNETIZED NEUTRON-STARS | Physics - General Relativity and Quantum Cosmology

Tolman–Kuchowicz metric | Equation of state | General relativity | Strange star | PHYSICS, MULTIDISCIPLINARY | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | ENERGY DENSITY | Tolman-Kuchowicz metric | MODELS | CONTRACTION | FIELD-EQUATIONS | MASS | ANISOTROPIC SPHERES | MAGNETIZED NEUTRON-STARS | Physics - General Relativity and Quantum Cosmology

Journal Article

5.
Full Text
Properties of strongly magnetized ultradense matter and its effects on magnetar pulsations

Physical Review C, ISSN 2469-9985, 07/2016, Volume 94, Issue 1

We investigate the effect of strong magnetic fields on the adiabatic radial oscillations of hadronic stars. We describe magnetized hadronic matter within the...

RELATIVISTIC STARS | X-RAY OSCILLATIONS | GENERAL-RELATIVITY | STRANGE STARS | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | DYNAMICAL INSTABILITY | PHYSICS, NUCLEAR | QUASI-PERIODIC OSCILLATIONS | RADIAL OSCILLATIONS | PROTONEUTRON STARS

RELATIVISTIC STARS | X-RAY OSCILLATIONS | GENERAL-RELATIVITY | STRANGE STARS | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | DYNAMICAL INSTABILITY | PHYSICS, NUCLEAR | QUASI-PERIODIC OSCILLATIONS | RADIAL OSCILLATIONS | PROTONEUTRON STARS

Journal Article

Annals of Physics, ISSN 0003-4916, 02/2019, Volume 401, pp. 1 - 20

In the present work, we study about highly dense compact stars which are made of quarks, specially strange quarks, adopting the Krori–Barua (KB) (Krori and...

General relativity | Strange star | Krori–Barua spacetime | Exact solution | COSMOLOGICAL CONSTANT | PHYSICS, MULTIDISCIPLINARY | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | ANISOTROPY | Krori-Barua spacetime | RELATIVISTIC MODEL | SYMMETRY APPROACH | F R | UNIVERSE

General relativity | Strange star | Krori–Barua spacetime | Exact solution | COSMOLOGICAL CONSTANT | PHYSICS, MULTIDISCIPLINARY | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | ANISOTROPY | Krori-Barua spacetime | RELATIVISTIC MODEL | SYMMETRY APPROACH | F R | UNIVERSE

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 12/2018, Volume 2018, Issue 12, pp. 1 - 38

We investigate a simple holographic model for cold and dense deconfined QCD matter consisting of three quark flavors. Varying the single free parameter of the...

Holography and quark-gluon plasmas | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Phase Diagram of QCD | Elementary Particles, Quantum Field Theory | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | SIGNALS | DYNAMICAL INSTABILITY | DENSITY | QCD | TEMPERATURE | EQUILIBRIUM | PHYSICS | SYMMETRY-BREAKING | PHYSICS, PARTICLES & FIELDS | Neutron stars | Gravitation | Deformation | Parameters | Flavor (particle physics) | Gravitational waves | Stars | Neutrons | Mass distribution | Quarks | Equations of state | Moments of inertia | Quark stars | Constraint modelling | Viability | Nuclear matter | Quantum chromodynamics

Holography and quark-gluon plasmas | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Phase Diagram of QCD | Elementary Particles, Quantum Field Theory | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | SIGNALS | DYNAMICAL INSTABILITY | DENSITY | QCD | TEMPERATURE | EQUILIBRIUM | PHYSICS | SYMMETRY-BREAKING | PHYSICS, PARTICLES & FIELDS | Neutron stars | Gravitation | Deformation | Parameters | Flavor (particle physics) | Gravitational waves | Stars | Neutrons | Mass distribution | Quarks | Equations of state | Moments of inertia | Quark stars | Constraint modelling | Viability | Nuclear matter | Quantum chromodynamics

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 10/2015, Volume 92, Issue 8

The hydrostatic equilibrium and the stability against radial perturbation of charged strange quark stars composed of a charged perfect fluid are studied. For...

FLUIDS | PHASES | MATTER | RADIAL PULSATIONS | NEUTRON | SPHERES | ASTRONOMY & ASTROPHYSICS | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | GENERAL RELATIVITY | EQUATION | PHYSICS, PARTICLES & FIELDS | Charging | Fluids | Stability | Computational fluid dynamics | Electric charge | Quark stars | Fluid flow | Charge

FLUIDS | PHASES | MATTER | RADIAL PULSATIONS | NEUTRON | SPHERES | ASTRONOMY & ASTROPHYSICS | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | GENERAL RELATIVITY | EQUATION | PHYSICS, PARTICLES & FIELDS | Charging | Fluids | Stability | Computational fluid dynamics | Electric charge | Quark stars | Fluid flow | Charge

Journal Article

Physica A: Statistical Mechanics and its Applications, ISSN 0378-4371, 05/2017, Volume 473, pp. 412 - 422

This paper is devoted to the study of the statistical mechanics of trapped gravitons obtained by ‘trapping’ a spherical gravitational wave in a box. As a...

Black hole entropy | Statistical mechanics | Gravitational waves | Gravitons | HOLDING GRAVITATIONAL-RADIATION | PHYSICS, MULTIDISCIPLINARY | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | ORIGIN | THERMODYNAMICS | SPACETIME | OSCILLATIONS | EQUATION

Black hole entropy | Statistical mechanics | Gravitational waves | Gravitons | HOLDING GRAVITATIONAL-RADIATION | PHYSICS, MULTIDISCIPLINARY | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | ORIGIN | THERMODYNAMICS | SPACETIME | OSCILLATIONS | EQUATION

Journal Article

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, ISSN 1475-7516, 10/2019, Volume 2019, Issue 10, pp. 70 - 70

We investigate the effects of the modified f (R, T) gravity on the charged strange quark stars with the standard choice of f (R, T) = R + 2 chi T. Those types...

OBSERVATIONAL EVIDENCE | COSMOLOGICAL CONSTANT | MASS MEASUREMENT | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | PROBE WMAP OBSERVATIONS | DARK ENERGY | DYNAMICAL INSTABILITY | massive stars | modified gravity | EQUATION-OF-STATE | ASTRONOMY & ASTROPHYSICS | dark energy theory | QUARK MATTER | PHYSICS, PARTICLES & FIELDS

OBSERVATIONAL EVIDENCE | COSMOLOGICAL CONSTANT | MASS MEASUREMENT | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | PROBE WMAP OBSERVATIONS | DARK ENERGY | DYNAMICAL INSTABILITY | massive stars | modified gravity | EQUATION-OF-STATE | ASTRONOMY & ASTROPHYSICS | dark energy theory | QUARK MATTER | PHYSICS, PARTICLES & FIELDS

Journal Article

Classical and Quantum Gravity, ISSN 0264-9381, 08/2016, Volume 33, Issue 18, p. 185007

It is well known that all rotating perfect fluid stars in general relativity are unstable to certain non-axisymmetric perturbations via the...

variational principle | fluid stars | general relativity | stability | GENERAL-RELATIVITY | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | APPROACHING SCHWARZSCHILD LIMIT | MODE | DYNAMICAL INSTABILITY | PHYSICS, PARTICLES & FIELDS

variational principle | fluid stars | general relativity | stability | GENERAL-RELATIVITY | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | APPROACHING SCHWARZSCHILD LIMIT | MODE | DYNAMICAL INSTABILITY | PHYSICS, PARTICLES & FIELDS

Journal Article

The European Physical Journal C, ISSN 1434-6044, 7/2019, Volume 79, Issue 7, pp. 1 - 15

We investigate a simplified model of the strange stars in the framework of Finslerian geometry, composed of charged fluid. It is considered that the fluid...

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 | RADIUS | MASS MEASUREMENT | CRACKING | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | DYNAMICAL INSTABILITY | HYDROSTATIC EQUILIBRIUM | SUPER-HYPERNUCLEI | PHYSICS, PARTICLES & FIELDS | Quarks | Anisotropy | Electric fields | Analysis | Electrons | Compressibility | Flavor (particle physics) | Stars | Density | Charge distribution | Geometry | Charge simulation | Organic chemistry | Equations of state | Curvature

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 | RADIUS | MASS MEASUREMENT | CRACKING | STABILITY | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STAR | DYNAMICAL INSTABILITY | HYDROSTATIC EQUILIBRIUM | SUPER-HYPERNUCLEI | PHYSICS, PARTICLES & FIELDS | Quarks | Anisotropy | Electric fields | Analysis | Electrons | Compressibility | Flavor (particle physics) | Stars | Density | Charge distribution | Geometry | Charge simulation | Organic chemistry | Equations of state | Curvature

Journal Article

New Astronomy, ISSN 1384-1076, 04/2018, Volume 60, pp. 14 - 21

•Dynamic Collapses of Relativistic Degenerate Stellar Cores inside Stars.•Dynamic Collapses of Radiation Pressure Dominated Stellar Interiors in...

Dense matter | Supernovae: general | Hydrodynamics | Stars: population III | Stars: Neutron | Black hole physics | MASSIVE STARS | SELF-SIMILAR DYNAMICS | INSTABILITY | APPROACHING SCHWARZSCHILD LIMIT | EXPLOSION | BLACK-HOLES | EVOLUTION | ASTRONOMY & ASTROPHYSICS | Fluid dynamics | Photolysis | Analysis | Radiation

Dense matter | Supernovae: general | Hydrodynamics | Stars: population III | Stars: Neutron | Black hole physics | MASSIVE STARS | SELF-SIMILAR DYNAMICS | INSTABILITY | APPROACHING SCHWARZSCHILD LIMIT | EXPLOSION | BLACK-HOLES | EVOLUTION | ASTRONOMY & ASTROPHYSICS | Fluid dynamics | Photolysis | Analysis | Radiation

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 10/2011, Volume 416, Issue 4, pp. 2748 - 2759

We study the effects of external ionization by cosmic rays (CRs) and X-rays on the thermal evolution of primordial clouds under strong far-ultraviolet (FUV)...

stars: formation | stars: Population III | early Universe | dark ages, reionization, first stars | Stars: Population III | Stars: formation | Early Universe | Dark ages, reionization, first stars | MOLECULAR-HYDROGEN | APPROACHING SCHWARZSCHILD LIMIT | DARK-MATTER HALOES | DYNAMICAL INSTABILITY | PRIMORDIAL STAR-FORMATION | GENERAL RELATIVITY | POPULATION-III | CONTINUOUS ABSORPTION | ASTRONOMY & ASTROPHYSICS | VIRIAL TEMPERATURES | ENERGETIC PARTICLES | Astrophysics | X ray astronomy | Black holes | Stars & galaxies | Cosmic rays | Physics - Cosmology and Nongalactic Astrophysics

stars: formation | stars: Population III | early Universe | dark ages, reionization, first stars | Stars: Population III | Stars: formation | Early Universe | Dark ages, reionization, first stars | MOLECULAR-HYDROGEN | APPROACHING SCHWARZSCHILD LIMIT | DARK-MATTER HALOES | DYNAMICAL INSTABILITY | PRIMORDIAL STAR-FORMATION | GENERAL RELATIVITY | POPULATION-III | CONTINUOUS ABSORPTION | ASTRONOMY & ASTROPHYSICS | VIRIAL TEMPERATURES | ENERGETIC PARTICLES | Astrophysics | X ray astronomy | Black holes | Stars & galaxies | Cosmic rays | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

The European Physical Journal C, ISSN 1434-6044, 8/2018, Volume 78, Issue 8, pp. 1 - 16

We investigate the stability criterions for perfect fluid in f(R) theories which is an important generalization of general relativity. Firstly, using Wald’s...

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 | INSTABILITY | GENERAL-RELATIVITY | NOETHER CHARGE | SPHERES | APPROACHING SCHWARZSCHILD LIMIT | SYSTEMS | STARS | BLACK-HOLES | ENTROPY | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Analysis | Stability criteria | Relativity | Dynamic stability | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics | High Energy Physics - Theory

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 | INSTABILITY | GENERAL-RELATIVITY | NOETHER CHARGE | SPHERES | APPROACHING SCHWARZSCHILD LIMIT | SYSTEMS | STARS | BLACK-HOLES | ENTROPY | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Analysis | Stability criteria | Relativity | Dynamic stability | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics | High Energy Physics - Theory

Journal Article

The European Physical Journal C, ISSN 1434-6044, 11/2018, Volume 78, Issue 11, pp. 1 - 13

In the present paper we consider convection and cracking instabilities as well as their interplay. We develop a simple criterion to identify equations of state...

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 | LOCAL ANISOTROPY | EINSTEINS FIELD-EQUATIONS | FLUID SPHERES | STATIC SOLUTIONS | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STARS | OF-STATE | ANISOTROPIC SPHERES | DYNAMICAL INSTABILITY | GRAVITATING COMPACT OBJECTS | PHYSICS, PARTICLES & FIELDS | Stability | Equations of state | Anisotropy | Convection | Acoustic velocity | Relativity | 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 | LOCAL ANISOTROPY | EINSTEINS FIELD-EQUATIONS | FLUID SPHERES | STATIC SOLUTIONS | APPROACHING SCHWARZSCHILD LIMIT | NEUTRON-STARS | OF-STATE | ANISOTROPIC SPHERES | DYNAMICAL INSTABILITY | GRAVITATING COMPACT OBJECTS | PHYSICS, PARTICLES & FIELDS | Stability | Equations of state | Anisotropy | Convection | Acoustic velocity | Relativity | Physics - General Relativity and Quantum Cosmology

Journal Article

Fortschritte der Physik, ISSN 0015-8208, 10/2019, Volume 67, Issue 10, pp. 1900058 - n/a

The composition as well as the very existence of the interior of a Schwarzschild black hole (BH) remains at the forefront of interesting, open problems in...

hot strings | quantum black holes | non‐singular black holes | QUANTUM STRUCTURE | GRAVITATIONAL COLLAPSE | PHYSICS, MULTIDISCIPLINARY | SINGULARITIES | FIELD | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | non-singular black holes | HEDGEHOG | ENTROPY

hot strings | quantum black holes | non‐singular black holes | QUANTUM STRUCTURE | GRAVITATIONAL COLLAPSE | PHYSICS, MULTIDISCIPLINARY | SINGULARITIES | FIELD | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | non-singular black holes | HEDGEHOG | ENTROPY

Journal Article

The European Physical Journal C, ISSN 1434-6044, 12/2017, Volume 77, Issue 12, pp. 1 - 8

According to the maximum entropy principle, it has been proved that the gravitational field equations could be derived by the extrema of the total entropy for...

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 | GENERAL-RELATIVITY | SPHERES | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | STARS | ENTROPY | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Gravity | Gravitation | Adiabatic flow | Stability criteria | Dynamic stability | Gravitational fields | Entropy | Maximum entropy | Symmetry | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics | High Energy Physics - Theory

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 | GENERAL-RELATIVITY | SPHERES | APPROACHING SCHWARZSCHILD LIMIT | DYNAMICAL INSTABILITY | STARS | ENTROPY | PHYSICS, PARTICLES & FIELDS | Thermodynamics | Gravity | Gravitation | Adiabatic flow | Stability criteria | Dynamic stability | Gravitational fields | Entropy | Maximum entropy | Symmetry | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics | High Energy Physics - Theory

Journal Article