Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 03/2006, Volume 2006, Issue 3, pp. 004 - 4

A covariant scalar-tensor-vector gravity theory is developed which allows the gravitational constant G, a vector field coupling. and the vector field mass mu...

CMBR theory | Dark matter | Classical tests of cosmology | Gravity | gravity | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | PRINCIPLE | classical tests of cosmology | dark matter | PHYSICS, PARTICLES & FIELDS

CMBR theory | Dark matter | Classical tests of cosmology | Gravity | gravity | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | PRINCIPLE | classical tests of cosmology | dark matter | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 08/2005, Volume 2005, Issue 8, pp. 010 - 196

We compute the fully non-linear cosmic microwave background (CMB) anisotropies on scales larger than the horizon at last scattering in terms of only the...

Cosmological perturbation theory | Physics of the early universe | CMBR theory | Inflation | RICH CLUSTERS | cosmological perturbation theory | GRAVITATIONAL PERTURBATIONS | inflation | EVOLUTION | COSMOLOGICAL PERTURBATIONS | MAPS | MODELS | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | GALAXIES | physics of the early universe | PROBE | PHYSICS, PARTICLES & FIELDS

Cosmological perturbation theory | Physics of the early universe | CMBR theory | Inflation | RICH CLUSTERS | cosmological perturbation theory | GRAVITATIONAL PERTURBATIONS | inflation | EVOLUTION | COSMOLOGICAL PERTURBATIONS | MAPS | MODELS | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | GALAXIES | physics of the early universe | PROBE | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 2014, Volume 2014, Issue 4, pp. 17 - 17

"Brane supersymmetry breaking" occurs in String Theory when the only available combinations of D-branes and orientifolds are not mutually BPS and yet do not...

Ination | CMBR theory | string theory and cosmology | supersymmetry and cosmology | SUPERGRAVITY | SUPERSYMMETRY | inflation | DILATON TADPOLES | COSMOLOGY | MODELS | PHENOMENOLOGY | ASTRONOMY & ASTROPHYSICS | YANG-MILLS THEORIES | CONSTRAINTS | QUANTUM GEOMETRY | SYMMETRY-BREAKING | PHYSICS, PARTICLES & FIELDS | High Energy Physics - Phenomenology | High Energy Physics | Theory | High Energy Physics - Theory | Astrophysics - Cosmology and Nongalactic Astrophysics | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | APPROXIMATIONS | POTENTIALS | STRING THEORY | MATHEMATICAL SOLUTIONS | STRING MODELS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | SCALAR FIELDS | SYMMETRY BREAKING | PERTURBATION THEORY | SINGULARITY | COSMOLOGICAL INFLATION | D-BRANES

Ination | CMBR theory | string theory and cosmology | supersymmetry and cosmology | SUPERGRAVITY | SUPERSYMMETRY | inflation | DILATON TADPOLES | COSMOLOGY | MODELS | PHENOMENOLOGY | ASTRONOMY & ASTROPHYSICS | YANG-MILLS THEORIES | CONSTRAINTS | QUANTUM GEOMETRY | SYMMETRY-BREAKING | PHYSICS, PARTICLES & FIELDS | High Energy Physics - Phenomenology | High Energy Physics | Theory | High Energy Physics - Theory | Astrophysics - Cosmology and Nongalactic Astrophysics | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | APPROXIMATIONS | POTENTIALS | STRING THEORY | MATHEMATICAL SOLUTIONS | STRING MODELS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | SCALAR FIELDS | SYMMETRY BREAKING | PERTURBATION THEORY | SINGULARITY | COSMOLOGICAL INFLATION | D-BRANES

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 09/2014, Volume 2014, Issue 9, pp. 21 - 21

We study cosmological perturbation theory within the framework of unimodular gravity. We show that the Lagrangian constraint on the determinant of the metric...

modified gravity | cosmological perturbation theory | CMBR theory | gravity | ENERGY | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | CONSTANT | UNIVERSE | cosmological perturbation theory. CMBR theory | PHYSICS, PARTICLES & FIELDS | EQUATIONS OF MOTION | METRICS | PHOTONS | POTENTIALS | LAGRANGIAN FUNCTION | RELATIVISTIC RANGE | EVOLUTION | MICROWAVE RADIATION | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | FLUCTUATIONS | PERTURBATION THEORY | GRAVITATION

modified gravity | cosmological perturbation theory | CMBR theory | gravity | ENERGY | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | CONSTANT | UNIVERSE | cosmological perturbation theory. CMBR theory | PHYSICS, PARTICLES & FIELDS | EQUATIONS OF MOTION | METRICS | PHOTONS | POTENTIALS | LAGRANGIAN FUNCTION | RELATIVISTIC RANGE | EVOLUTION | MICROWAVE RADIATION | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | FLUCTUATIONS | PERTURBATION THEORY | GRAVITATION

Journal Article

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, ISSN 1475-7516, 09/2016, Volume 2016, Issue 9, pp. 27 - 27

We use the effective field theory of dark energy (EFT of DE) formalism to constrain dark energy models belonging to the Horndeski class with the recent Planck...

modified gravity | ENERGY | ASTRONOMY & ASTROPHYSICS | cosmological parameters from CMBR | dark energy theory | GALAXIES | PHYSICS, PARTICLES & FIELDS | Cosmology and Extra-Galactic Astrophysics | Physics | Astrophysics | VELOCITY | DISTURBANCES | INSTABILITY | SIMULATION | FIELD THEORIES | SPACE | DEMAND | COSMOLOGY | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | SCALARS | EXPANSION | PERTURBATION THEORY | RELICT RADIATION | GRAVITATION | QUANTUM FIELD THEORY

modified gravity | ENERGY | ASTRONOMY & ASTROPHYSICS | cosmological parameters from CMBR | dark energy theory | GALAXIES | PHYSICS, PARTICLES & FIELDS | Cosmology and Extra-Galactic Astrophysics | Physics | Astrophysics | VELOCITY | DISTURBANCES | INSTABILITY | SIMULATION | FIELD THEORIES | SPACE | DEMAND | COSMOLOGY | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | SCALARS | EXPANSION | PERTURBATION THEORY | RELICT RADIATION | GRAVITATION | QUANTUM FIELD THEORY

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 2013, Volume 2013, Issue 10, pp. 38 - 38

We describe models of single-field inflation with small and sharp step features in the potential (and sound speed) of the inflaton field, in the context of the...

cosmological perturbation theory | non-gaussianity | CMBR theory | inflation | PERTURBATIONS | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | STEP | SPECTRUM | PHYSICS, PARTICLES & FIELDS | Inflation | Perturbation methods | Mathematical analysis | Fluctuation | Consistency | Cosmology | Field theory | Mathematical models | Curvature | Physics - Cosmology and Nongalactic Astrophysics | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | LIMITING VALUES | ENERGY SPECTRA | INFLATONS | POTENTIALS | INFLATIONARY UNIVERSE | FIELD THEORIES | SIGNAL-TO-NOISE RATIO | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | FLUCTUATIONS | EXPANSION | PERTURBATION THEORY | SOUND WAVES | ACTION INTEGRAL

cosmological perturbation theory | non-gaussianity | CMBR theory | inflation | PERTURBATIONS | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | STEP | SPECTRUM | PHYSICS, PARTICLES & FIELDS | Inflation | Perturbation methods | Mathematical analysis | Fluctuation | Consistency | Cosmology | Field theory | Mathematical models | Curvature | Physics - Cosmology and Nongalactic Astrophysics | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | LIMITING VALUES | ENERGY SPECTRA | INFLATONS | POTENTIALS | INFLATIONARY UNIVERSE | FIELD THEORIES | SIGNAL-TO-NOISE RATIO | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | FLUCTUATIONS | EXPANSION | PERTURBATION THEORY | SOUND WAVES | ACTION INTEGRAL

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 01/2017, Volume 2017, Issue 1, pp. 4 - 4

The vector-tensor (VT) theory of gravitation revisited in this article was studied in previous papers, where it was proved that VT works and deserves...

Dark energy theory | Modified gravity | Cosmological parameters from CMBR | modified gravity | SKY | PRODUCTS | ASTRONOMY & ASTROPHYSICS | cosmological parameters from CMBR | dark energy theory | ANISOTROPY | WMAP | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | DENSITY | FORECASTING | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | COSMOLOGICAL MODELS | FLUCTUATIONS | PERTURBATION THEORY | GRAVITATION | EQUATIONS OF STATE | OSCILLATIONS | BARYONS

Dark energy theory | Modified gravity | Cosmological parameters from CMBR | modified gravity | SKY | PRODUCTS | ASTRONOMY & ASTROPHYSICS | cosmological parameters from CMBR | dark energy theory | ANISOTROPY | WMAP | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | DENSITY | FORECASTING | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | COSMOLOGICAL MODELS | FLUCTUATIONS | PERTURBATION THEORY | GRAVITATION | EQUATIONS OF STATE | OSCILLATIONS | BARYONS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 01/2007, Volume 2007, Issue 1, pp. 002 - 2

We perform a general study of primordial scalar non-Gaussianities in single-field inflationary models in Einstein gravity. We consider models where the...

Cosmological perturbation theory | CMBR theory | Inflation | String theory and cosmology | PERTURBATIONS | ASTRONOMY & ASTROPHYSICS | FLATNESS | PHYSICS | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS

Cosmological perturbation theory | CMBR theory | Inflation | String theory and cosmology | PERTURBATIONS | ASTRONOMY & ASTROPHYSICS | FLATNESS | PHYSICS | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 06/2015, Volume 2015, Issue 6, pp. 31 - 31

We consider the Brans-Dicke theory motivated by the f(R) = R + alpha R-n - beta R2-n model to obtain a stable minimum of the Einstein frame scalar potential of...

ination | modified gravity | dark energy theory | cosmological parameters from CMBR | ACCELERATION | ASTRONOMY & ASTROPHYSICS | CURVATURE | inflation | PARTICLE PHYSICS MODELS | PHYSICS, PARTICLES & FIELDS | General Relativity and Quantum Cosmology | High Energy Physics - Theory | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | NONLUMINOUS MATTER | COSMOLOGICAL INFLATION | GRAVITATION | BRANES | TUNNEL EFFECT | EINSTEIN FIELD EQUATIONS

ination | modified gravity | dark energy theory | cosmological parameters from CMBR | ACCELERATION | ASTRONOMY & ASTROPHYSICS | CURVATURE | inflation | PARTICLE PHYSICS MODELS | PHYSICS, PARTICLES & FIELDS | General Relativity and Quantum Cosmology | High Energy Physics - Theory | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | NONLUMINOUS MATTER | COSMOLOGICAL INFLATION | GRAVITATION | BRANES | TUNNEL EFFECT | EINSTEIN FIELD EQUATIONS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 06/2018, Volume 2018, Issue 6, pp. 9 - 9

We explore the possibility to make use of cosmological data to look for signatures of unknown heavy particles whose masses are on the order of the Hubble...

ination | cosmological perturbation theory | CMBR theory | QUANTUM CONTRIBUTIONS | ASTRONOMY & ASTROPHYSICS | DYNAMICS | inflation | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

ination | cosmological perturbation theory | CMBR theory | QUANTUM CONTRIBUTIONS | ASTRONOMY & ASTROPHYSICS | DYNAMICS | inflation | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 06/2017, Volume 2017, Issue 6, pp. 21 - 21

We study inflationary scenarios driven by a scalar field in the presence of a non-minimal coupling between matter and curvature. We show that the Friedmann...

modified gravity | inflation | gravity | Cosmological parameters from CMBR | SPACE | ASTRONOMY & ASTROPHYSICS | cosmological parameters from CMBR | FLATNESS | MODEL | UNIVERSE | WARM | HORIZON | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | SCALAR FIELDS | PERTURBATION THEORY | EQUATIONS | COUPLING | ENERGY DENSITY | SIMULATION | SPECTRA | INFLATIONARY UNIVERSE

modified gravity | inflation | gravity | Cosmological parameters from CMBR | SPACE | ASTRONOMY & ASTROPHYSICS | cosmological parameters from CMBR | FLATNESS | MODEL | UNIVERSE | WARM | HORIZON | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | SCALAR FIELDS | PERTURBATION THEORY | EQUATIONS | COUPLING | ENERGY DENSITY | SIMULATION | SPECTRA | INFLATIONARY UNIVERSE

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 02/2017, Volume 2017, Issue 2, pp. 27 - 27

We investigate the inflationary predictions of a simple Horndeski theory where the inflaton scalar field has a non-minimal derivative coupling (NMDC) to the...

modified gravity | physics of the early universe | inflation | cosmological parameters from CMBR | COSMOLOGY | FIELD | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | SCALAR FIELDS | PERTURBATION THEORY | RELICT RADIATION | GRAVITATION | INFLATONS | COUPLING | SPECTRA | INFLATIONARY UNIVERSE

modified gravity | physics of the early universe | inflation | cosmological parameters from CMBR | COSMOLOGY | FIELD | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | SCALAR FIELDS | PERTURBATION THEORY | RELICT RADIATION | GRAVITATION | INFLATONS | COUPLING | SPECTRA | INFLATIONARY UNIVERSE

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 01/2011, Volume 2011, Issue 1, pp. 030 - 30

The computation of the primordial power spectrum in multi-field inflaation models requires us to correctly account for all relevant interactions between...

String theory and cosmology | CMBR theory | Inflation | PERTURBATIONS | string theory and cosmology | ASTRONOMY & ASTROPHYSICS | inflation | ANISOTROPY | UNIVERSE | QUANTUM FLUCTUATIONS | PHYSICS, PARTICLES & FIELDS | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | CALCULATION METHODS | MASS | METRICS | ENERGY SPECTRA | INFLATONS | SOUND WAVES | COMPARATIVE EVALUATIONS | GEODESICS | OSCILLATIONS | INFLATIONARY UNIVERSE

String theory and cosmology | CMBR theory | Inflation | PERTURBATIONS | string theory and cosmology | ASTRONOMY & ASTROPHYSICS | inflation | ANISOTROPY | UNIVERSE | QUANTUM FLUCTUATIONS | PHYSICS, PARTICLES & FIELDS | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | CALCULATION METHODS | MASS | METRICS | ENERGY SPECTRA | INFLATONS | SOUND WAVES | COMPARATIVE EVALUATIONS | GEODESICS | OSCILLATIONS | INFLATIONARY UNIVERSE

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 07/2005, Volume 2005, Issue 7, pp. 010 - 154

We study 'hilltop' inflation, in which inflation takes place near a maximum of the potential. Viewed as a model of inflation after the observable Universe...

Cosmologicl perturbation theory | CMBR theory | Inflation cosmology of theories beyond the SM | NATURAL INFLATION | ENTROPY CRISIS | LARGE-SCALE STRUCTURE | cosmological perturbation theory | cosmology of theories beyond the SM | CURVATURE PERTURBATION | inflation | PARTICLE PHYSICS MODELS | HYBRID INFLATION | QUANTUM CORRECTIONS | SPECTRAL INDEX | ASTRONOMY & ASTROPHYSICS | D-TERM INFLATION | SUPERSYMMETRY BREAKING | PHYSICS, PARTICLES & FIELDS

Cosmologicl perturbation theory | CMBR theory | Inflation cosmology of theories beyond the SM | NATURAL INFLATION | ENTROPY CRISIS | LARGE-SCALE STRUCTURE | cosmological perturbation theory | cosmology of theories beyond the SM | CURVATURE PERTURBATION | inflation | PARTICLE PHYSICS MODELS | HYBRID INFLATION | QUANTUM CORRECTIONS | SPECTRAL INDEX | ASTRONOMY & ASTROPHYSICS | D-TERM INFLATION | SUPERSYMMETRY BREAKING | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 2014, Volume 2014, Issue 6, pp. 16 - 16

The effective field theory (EFT) of inflation has become the preferred method for computing cosmological correlation functions of the curvature fluctuation,...

non-gaussianity | CMBR theory | physics of the early universe | inflation | ASTRONOMY & ASTROPHYSICS | EQUATIONS | CONSTRAINTS | EXPECTATION VALUE FORMALISM | PHYSICS, PARTICLES & FIELDS | Operators | Inflation | Computation | Breaking | Mathematical analysis | Field theory | Mathematical models | Correlators | Boundaries | High Energy Physics - Theory | Astrophysics - Cosmology and Nongalactic Astrophysics | FIELD THEORIES | CORRELATION FUNCTIONS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | FLUCTUATIONS | COSMOLOGICAL INFLATION | ACCOUNTING | TRANSFORMATIONS

non-gaussianity | CMBR theory | physics of the early universe | inflation | ASTRONOMY & ASTROPHYSICS | EQUATIONS | CONSTRAINTS | EXPECTATION VALUE FORMALISM | PHYSICS, PARTICLES & FIELDS | Operators | Inflation | Computation | Breaking | Mathematical analysis | Field theory | Mathematical models | Correlators | Boundaries | High Energy Physics - Theory | Astrophysics - Cosmology and Nongalactic Astrophysics | FIELD THEORIES | CORRELATION FUNCTIONS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | FLUCTUATIONS | COSMOLOGICAL INFLATION | ACCOUNTING | TRANSFORMATIONS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 10/2014, Volume 2014, Issue 10, pp. 56 - 56

The most studied mechanism of inflationary magnetogenesis relies on the time-dependence of the coefficient of the gauge kinetic term F mu nu F mu nu....

Ination | CMBR theory | Primordial magnetic fields | Primordial gravitational waves (theory) | primordial magnetic fields | EVOLUTION | COSMOLOGICAL MAGNETIC-FIELDS | ASTRONOMY & ASTROPHYSICS | primordial gravitational waves (theory) | inflation | PHYSICS, PARTICLES & FIELDS | High Energy Physics - Theory | High Energy Physics - Phenomenology | Physics | MAGNETIC FIELDS | TENSORS | HELICITY | PARITY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | PEV RANGE | COSMOLOGICAL INFLATION | CHIRALITY | SPECTRA | TIME DEPENDENCE

Ination | CMBR theory | Primordial magnetic fields | Primordial gravitational waves (theory) | primordial magnetic fields | EVOLUTION | COSMOLOGICAL MAGNETIC-FIELDS | ASTRONOMY & ASTROPHYSICS | primordial gravitational waves (theory) | inflation | PHYSICS, PARTICLES & FIELDS | High Energy Physics - Theory | High Energy Physics - Phenomenology | Physics | MAGNETIC FIELDS | TENSORS | HELICITY | PARITY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | PEV RANGE | COSMOLOGICAL INFLATION | CHIRALITY | SPECTRA | TIME DEPENDENCE

Journal Article

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, ISSN 1475-7516, 11/2019, Volume 2019, Issue 11, pp. 3 - 3

Starting from the idea of realising constant roll inflation in string theory we develop the constant roll formalism for two scalar fields. We derive the...

dark energy theory | CMBR theory | SUPERSYMMETRY | inflation | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

dark energy theory | CMBR theory | SUPERSYMMETRY | inflation | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

Journal Article