The European Physical Journal C, ISSN 1434-6044, 7/2017, Volume 77, Issue 7, pp. 1 - 8

f(R,Â T) gravity is an extended theory of gravity in which the gravitational action contains general terms of both the Ricci scalar R and the trace of the...

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 | TRANSITION | F(R | ENERGY | UNIVERSE | MODIFIED GRAVITY | PHYSICS, PARTICLES & FIELDS | Analysis | Dark energy | Gravity | Geometry | Gravitation theory | Deceleration | Cosmology | Universe | Mathematical models | Coupling | Formalism | 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 | TRANSITION | F(R | ENERGY | UNIVERSE | MODIFIED GRAVITY | PHYSICS, PARTICLES & FIELDS | Analysis | Dark energy | Gravity | Geometry | Gravitation theory | Deceleration | Cosmology | Universe | Mathematical models | Coupling | Formalism | 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, 3/2018, Volume 78, Issue 3, pp. 1 - 8

We present a new approach for the f(R,Â T) gravity formalism, by thoroughly exploring the extra terms of its effective energy-momentum tensor $$T_{\mu \nu...

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 | ACCELERATING UNIVERSE | THERMODYNAMICS | F(R,T) THEORY | MODELS | STABILITY | DARK ENERGY | CONSTANT | SUPERNOVAE | GRAVITY | BULK | PHYSICS, PARTICLES & FIELDS | Cosmology | Universe | Mathematical analysis | Continuity equation | Energy conservation | 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 | ACCELERATING UNIVERSE | THERMODYNAMICS | F(R,T) THEORY | MODELS | STABILITY | DARK ENERGY | CONSTANT | SUPERNOVAE | GRAVITY | BULK | PHYSICS, PARTICLES & FIELDS | Cosmology | Universe | Mathematical analysis | Continuity equation | Energy conservation | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

Journal Article

The European Physical Journal C, ISSN 1434-6044, 9/2018, Volume 78, Issue 9, pp. 1 - 10

This article presents cosmological models that arise in a subclass of $$f(R,T)=f(R)+f(T)$$ f(R,T)=f(R)+f(T) gravity models, with different f(R) functions and...

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

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

Journal Article

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

In this work we investigate the equilibrium configurations of white dwarfs in a modified gravity theory, namely, f(R,Â T) gravity, for which R and T stand 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 | DENSITY | MASS-DISTRIBUTION | MATTER | DYNAMICAL INSTABILITY | STARS | MODEL | HISTORY | PHYSICS, PARTICLES & FIELDS | Gravitation | White dwarf stars | Flux density | Equilibrium equations | Configurations | Physical properties | Equilibrium | Gravity | General Relativity and Quantum Cosmology | Solar and Stellar Astrophysics | Astrophysics | Nuclear Theory | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory | Astrophysics - Solar and Stellar 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 | DENSITY | MASS-DISTRIBUTION | MATTER | DYNAMICAL INSTABILITY | STARS | MODEL | HISTORY | PHYSICS, PARTICLES & FIELDS | Gravitation | White dwarf stars | Flux density | Equilibrium equations | Configurations | Physical properties | Equilibrium | Gravity | General Relativity and Quantum Cosmology | Solar and Stellar Astrophysics | Astrophysics | Nuclear Theory | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory | Astrophysics - Solar and Stellar Astrophysics

Journal Article

The European Physical Journal C, ISSN 1434-6044, 8/2019, Volume 79, Issue 8, pp. 1 - 6

Alternative gravity is nowadays an extremely important tool to address some persistent observational issues, such as the dark sector of the universe. They can...

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 | DARK ENERGY | PHYSICS, PARTICLES & FIELDS | 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 | DARK ENERGY | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

Journal Article

European Physical Journal C, ISSN 1434-6044, 02/2016, Volume 76, Issue 2, pp. 1 - 7

In this work we investigate generalized theories of gravity in the so-called configurational entropy (CE) context. We show, by means of this...

LORENTZ | COSMOLOGICAL MODELS | INFORMATION | DYNAMICAL INSTABILITY | KINKS | GRAVITY | UNIVERSE | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory | Physics and Astronomy (miscellaneous) | Engineering (miscellaneous) | High Energy Physics - Theory

LORENTZ | COSMOLOGICAL MODELS | INFORMATION | DYNAMICAL INSTABILITY | KINKS | GRAVITY | UNIVERSE | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory | Physics and Astronomy (miscellaneous) | Engineering (miscellaneous) | High Energy Physics - Theory

Journal Article

International Journal of Modern Physics D, ISSN 0218-2718, 06/2019, Volume 28, Issue 8, p. 1950098

Wormholes (WHs) are a solution for General Relativity field equations which characterize a passage or tunnel that connects two different regions of spacetime...

f (R, T) | Wormholes | extended theories of gravity | GEOMETRIES | f (R,T) | ASTRONOMY & ASTROPHYSICS | Analysis | Gravity | Electrodynamics | Gravitation | Spacetime | Relativity

f (R, T) | Wormholes | extended theories of gravity | GEOMETRIES | f (R,T) | ASTRONOMY & ASTROPHYSICS | Analysis | Gravity | Electrodynamics | Gravitation | Spacetime | Relativity

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 2017, Volume 2017, Issue 7

Originally proposed as a tool for teaching the general theory of relativity, wormholes are today approached in many different ways and are seeing as an...

modified gravity | Wormholes | COSMOLOGY | PARTICLE CREATION | ASTRONOMY & ASTROPHYSICS | MODEL | UNIVERSE | PHYSICS, PARTICLES & FIELDS | PHARYNX | MATHEMATICAL SOLUTIONS | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | COSMOLOGICAL MODELS | GRAVITATION | QUANTUM GRAVITY | RELATIVISTIC RANGE

modified gravity | Wormholes | COSMOLOGY | PARTICLE CREATION | ASTRONOMY & ASTROPHYSICS | MODEL | UNIVERSE | PHYSICS, PARTICLES & FIELDS | PHARYNX | MATHEMATICAL SOLUTIONS | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | COSMOLOGICAL MODELS | GRAVITATION | QUANTUM GRAVITY | RELATIVISTIC RANGE

Journal Article

Astrophysics and Space Science, ISSN 0004-640X, 03/2016, Volume 361, Issue 3, pp. 1 - 5

Braneworld scenarios consider our observable universe as a brane embedded in a 5D space, named bulk. In this work, we derive the field equations of a...

Braneworld | f(R,T) gravity | Cosmological models | MATTER | DARK ENERGY-MODEL | F(R) GRAVITY | F(R,T) THEORY | DIMENSION | ASTRONOMY & ASTROPHYSICS | CONSTANT | f (R,T) gravity | BULK | UNIVERSE | Cosmic background radiation | Analysis | Physics - General Relativity and Quantum Cosmology

Braneworld | f(R,T) gravity | Cosmological models | MATTER | DARK ENERGY-MODEL | F(R) GRAVITY | F(R,T) THEORY | DIMENSION | ASTRONOMY & ASTROPHYSICS | CONSTANT | f (R,T) gravity | BULK | UNIVERSE | Cosmic background radiation | Analysis | Physics - General Relativity and Quantum Cosmology

Journal Article

EUROPEAN PHYSICAL JOURNAL C, ISSN 1434-6044, 02/2016, Volume 76, Issue 2

Recent elaborated by Harko et al., the f(R, T) theories of gravity allow one to contemplate an optimistic alternative to dark energy, for which R and T stand...

VACUUM | MODELS | SCALAR-FIELD | DYNAMICS | EQUATIONS | F R | CONSTANT | FORMALISM | BLACK-HOLE | INFLATIONARY UNIVERSE | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology

VACUUM | MODELS | SCALAR-FIELD | DYNAMICS | EQUATIONS | F R | CONSTANT | FORMALISM | BLACK-HOLE | INFLATIONARY UNIVERSE | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology

Journal Article

European Physical Journal C, ISSN 1434-6044, 09/2018, Volume 78, Issue 9

Journal Article

European Physical Journal C, ISSN 1434-6044, 04/2015, Volume 75, Issue 4

In this work, I present exact cosmological solutions from Wesson's induced matter model applied to a general 5D metric in f (R, T) theory of gravity. The...

ENERGY | KALUZA-KLEIN COSMOLOGY | F(R) GRAVITY | EXPANSION | CONSTANT | TIME | UNIVERSE | PHYSICS, PARTICLES & FIELDS | General Relativity and Quantum Cosmology | Physics and Astronomy (miscellaneous) | Engineering (miscellaneous) | Astrophysics - Cosmology and Nongalactic Astrophysics

ENERGY | KALUZA-KLEIN COSMOLOGY | F(R) GRAVITY | EXPANSION | CONSTANT | TIME | UNIVERSE | PHYSICS, PARTICLES & FIELDS | General Relativity and Quantum Cosmology | Physics and Astronomy (miscellaneous) | Engineering (miscellaneous) | Astrophysics - Cosmology and Nongalactic Astrophysics

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 06/2016, Volume 2016, Issue 6

In this article we study the hydrostatic equilibrium configuration of neutron stars and strange stars, whose fluid pressure is computed from the equations of...

modified gravity | neutron stars | massive stars | MATTER | COSMOLOGY | ASTRONOMY & ASTROPHYSICS | DYNAMICAL INSTABILITY | MODEL | PHYSICS, PARTICLES & FIELDS | PULSARS | NEUTRON STARS | CONFIGURATION | QUANTUM GRAVITY | ENERGY DENSITY | HYDROSTATICS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | EQUILIBRIUM | MASS | PHYSICAL PROPERTIES | GRAVITATION | ENERGY-MOMENTUM TENSOR | STARS | EQUATIONS OF STATE

modified gravity | neutron stars | massive stars | MATTER | COSMOLOGY | ASTRONOMY & ASTROPHYSICS | DYNAMICAL INSTABILITY | MODEL | PHYSICS, PARTICLES & FIELDS | PULSARS | NEUTRON STARS | CONFIGURATION | QUANTUM GRAVITY | ENERGY DENSITY | HYDROSTATICS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | EQUILIBRIUM | MASS | PHYSICAL PROPERTIES | GRAVITATION | ENERGY-MOMENTUM TENSOR | STARS | EQUATIONS OF STATE

Journal Article

Astrophysics and Space Science, ISSN 0004-640X, 07/2016, Volume 361, Issue 7, p. 1

We present a study of the generalized second law of thermodynamics in the scope of the f (R, T) theory of gravity, with R and T representing the Ricci scalar...

Cosmology | Modified theories of gravity | BLACK-HOLE ENTROPY | F(R) GRAVITY | 1ST LAW | ASTRONOMY & ASTROPHYSICS | DARK ENERGY | SYMMETRIC-SOLUTIONS | FRW UNIVERSE | MODEL | Thermodynamics | Analysis | Gravity | Physics - General Relativity and Quantum Cosmology

Cosmology | Modified theories of gravity | BLACK-HOLE ENTROPY | F(R) GRAVITY | 1ST LAW | ASTRONOMY & ASTROPHYSICS | DARK ENERGY | SYMMETRIC-SOLUTIONS | FRW UNIVERSE | MODEL | Thermodynamics | Analysis | Gravity | Physics - General Relativity and Quantum Cosmology

Journal Article

International Journal of Modern Physics D, ISSN 0218-2718, 07/2019, Volume 28, Issue 10, p. 1950124

The f ( R ) theories of gravity are the most popular, simple and well-succeeded extension of Einsteinâ€™s General Relativity. They can account for some...

VACUUM | big rip singularity | ASTRONOMY & ASTROPHYSICS | DARK ENERGY | f(R) gravity | LRS Bianchi type-I spacetime | EXTENDED THEORIES | MODIFIED GRAVITY | Force and energy | Gravity | Cosmology | Universe | Gravitation | Dark energy | Relativity | Physics - General Relativity and Quantum Cosmology

VACUUM | big rip singularity | ASTRONOMY & ASTROPHYSICS | DARK ENERGY | f(R) gravity | LRS Bianchi type-I spacetime | EXTENDED THEORIES | MODIFIED GRAVITY | Force and energy | Gravity | Cosmology | Universe | Gravitation | Dark energy | Relativity | Physics - General Relativity and Quantum Cosmology

Journal Article

EUROPEAN PHYSICAL JOURNAL C, ISSN 1434-6044, 01/2018, Volume 78, Issue 1, pp. 1 - 7

We propose, as a novelty in the literature, the modeling of wormholes within a particular case of f (R, T) gravity, namely f (R, T) = R + alpha R-2 + lambda T,...

F(R | COSMOLOGICAL CONSTANT | MODELS | INFLATION | ELLIS WORMHOLE | SUPERNOVAE | GRAVITY | UNIVERSE | PHYSICS, PARTICLES & FIELDS | Wormholes | Gravitation | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

F(R | COSMOLOGICAL CONSTANT | MODELS | INFLATION | ELLIS WORMHOLE | SUPERNOVAE | GRAVITY | UNIVERSE | PHYSICS, PARTICLES & FIELDS | Wormholes | Gravitation | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology | Nuclear and particle physics. Atomic energy. Radioactivity | Astrophysics

Journal Article

International Journal of Theoretical Physics, ISSN 0020-7748, 3/2016, Volume 55, Issue 3, pp. 1307 - 1314

In this work I present a generalization of f(R, T) gravity, by allowing the speed of light to vary. Cosmological solutions are presented for matter and...

Theoretical, Mathematical and Computational Physics | Quantum Physics | f ( R , T ) gravity | Physics, general | Physics | Cosmological models | Elementary Particles, Quantum Field Theory | Variant speed of light | f(R, T) gravity | MATTER | VARYING SPEED | PHYSICS, MULTIDISCIPLINARY | TIME | FLATNESS | f (R, T) gravity | FINE-STRUCTURE CONSTANT | GRAVITY | UNIVERSE

Theoretical, Mathematical and Computational Physics | Quantum Physics | f ( R , T ) gravity | Physics, general | Physics | Cosmological models | Elementary Particles, Quantum Field Theory | Variant speed of light | f(R, T) gravity | MATTER | VARYING SPEED | PHYSICS, MULTIDISCIPLINARY | TIME | FLATNESS | f (R, T) gravity | FINE-STRUCTURE CONSTANT | GRAVITY | UNIVERSE

Journal Article

Astrophysics and Space Science, ISSN 0004-640X, 07/2016, Volume 361, Issue 7, p. 1

In this work we present cosmological solutions from the simplest non-trivial polynomial function of T in f (R, T) theory of gravity, with R and T standing for...

f(R, T) gravity | Cosmic acceleration | Cosmological models | MATTER | F(R,T) THEORY | RECONSTRUCTION | DARK ENERGY | DYNAMICAL INSTABILITY | f (R, T) gravity | FLUID COSMOLOGICAL MODEL | ASTRONOMY & ASTROPHYSICS | PERFECT FLUID | COSMIC STRINGS | BULK VISCOSITY | MODIFIED GRAVITY | Analysis | Differential equations | Physics - High Energy Physics - Theory

f(R, T) gravity | Cosmic acceleration | Cosmological models | MATTER | F(R,T) THEORY | RECONSTRUCTION | DARK ENERGY | DYNAMICAL INSTABILITY | f (R, T) gravity | FLUID COSMOLOGICAL MODEL | ASTRONOMY & ASTROPHYSICS | PERFECT FLUID | COSMIC STRINGS | BULK VISCOSITY | MODIFIED GRAVITY | Analysis | Differential equations | Physics - High Energy Physics - Theory

Journal Article