Astrophysical Journal, ISSN 0004-637X, 10/2014, Volume 794, Issue 2, pp. 135 - 8

The determination of the Hubble constant has been a central goal in observational astrophysics for nearly a hundred years. Extraordinary progress has occurred...

distance scale | cosmology: observations | cosmological parameters | SPACE-TELESCOPE | DISTANCE | MICROWAVE | ASTRONOMY & ASTROPHYSICS | PROBE WMAP OBSERVATIONS | BARYON ACOUSTIC-OSCILLATIONS | CONSTRAINTS | Standard model (particle physics) | Red shift | Cosmic microwave background | Astronomical models | Cosmology | Hubble constant | Mathematical models | Ladders | Physics - Cosmology and Nongalactic Astrophysics | RED SHIFT | LIMITING VALUES | COMPARATIVE EVALUATIONS | STANDARD MODEL | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL MODELS | ASTROPHYSICS | EXPANSION | RELICT RADIATION | OSCILLATIONS | BARYONS

distance scale | cosmology: observations | cosmological parameters | SPACE-TELESCOPE | DISTANCE | MICROWAVE | ASTRONOMY & ASTROPHYSICS | PROBE WMAP OBSERVATIONS | BARYON ACOUSTIC-OSCILLATIONS | CONSTRAINTS | Standard model (particle physics) | Red shift | Cosmic microwave background | Astronomical models | Cosmology | Hubble constant | Mathematical models | Ladders | Physics - Cosmology and Nongalactic Astrophysics | RED SHIFT | LIMITING VALUES | COMPARATIVE EVALUATIONS | STANDARD MODEL | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL MODELS | ASTROPHYSICS | EXPANSION | RELICT RADIATION | OSCILLATIONS | BARYONS

Journal Article

1986, ISBN 0231063776, ix, 328

Book

PHYSICAL REVIEW LETTERS, ISSN 0031-9007, 09/2019, Volume 123, Issue 13

Perhaps standard effective field theory arguments are right, and vacuum fluctuations really do generate a huge cosmological constant. I show that if one does...

DUST | GENERAL-RELATIVITY | PHYSICS, MULTIDISCIPLINARY | SPACETIME FOAM | TIME | INITIAL DATA | GRAVITY | Variations | Cosmological constant | Field theory

DUST | GENERAL-RELATIVITY | PHYSICS, MULTIDISCIPLINARY | SPACETIME FOAM | TIME | INITIAL DATA | GRAVITY | Variations | Cosmological constant | Field theory

Journal Article

The European Physical Journal C, ISSN 1434-6044, 1/2018, Volume 78, Issue 1, pp. 1 - 6

We study constant-roll inflation in the presence of a gauge field coupled to an inflaton. By imposing the constant anisotropy condition, we find new exact...

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 | FLATNESS | COSMOLOGICAL MODELS | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS | Anisotropy | Inflation (Finance) | Cosmic background radiation | General Relativity and Quantum Cosmology | High Energy Physics - Phenomenology | Astrophysics | Cosmology and Extragalactic Astrophysics | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory | Astrophysics - Cosmology and Nongalactic 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 | FLATNESS | COSMOLOGICAL MODELS | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS | Anisotropy | Inflation (Finance) | Cosmic background radiation | General Relativity and Quantum Cosmology | High Energy Physics - Phenomenology | Astrophysics | Cosmology and Extragalactic Astrophysics | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory | Astrophysics - Cosmology and Nongalactic Astrophysics

Journal Article

Physics Letters B, ISSN 0370-2693, 12/2014, Volume 739, pp. 263 - 268

Some time ago, Tseytlin has made an original and unusual proposal for an action that eliminates an arbitrary cosmological constant. The form of the proposed...

COSMOLOGICAL-CONSTANT | SUPERGRAVITY | MASSIVE GRAVITY | PHYSICS, MULTIDISCIPLINARY | SUPERNOVAE | UNIVERSE | Physics - High Energy Physics - Theory | Nuclear and High Energy Physics | High Energy Physics - Theory | Physics

COSMOLOGICAL-CONSTANT | SUPERGRAVITY | MASSIVE GRAVITY | PHYSICS, MULTIDISCIPLINARY | SUPERNOVAE | UNIVERSE | Physics - High Energy Physics - Theory | Nuclear and High Energy Physics | High Energy Physics - Theory | Physics

Journal Article

Physics Reports, ISSN 0370-1573, 2003, Volume 380, Issue 5, pp. 235 - 320

Recent cosmological observations suggest the existence of a positive cosmological constant Λ with the magnitude Λ(Gℏ/c )≈10 . This review discusses several...

String theory | Cosmological constant | Tachyon | Quintessence | CMBR | Cosmology | Horizon | de Sitter spacetime | Dark energy | string theory | GALAXY REDSHIFT SURVEY | COLD DARK-MATTER | PHYSICS, MULTIDISCIPLINARY | MICROWAVE BACKGROUND ANISOTROPIES | cosmology | WEAK-COUPLING DUALITY | BLACK-HOLE | dark energy | quintessence | horizon | ANGULAR SCALE INTERFEROMETER | cosmological constant | QUASI-STELLAR OBJECTS | TELESCOPE KEY PROJECT | tachyon | BOUNDARY SCHRODINGER-EQUATION | de sitter spacetime | LY-ALPHA FOREST

String theory | Cosmological constant | Tachyon | Quintessence | CMBR | Cosmology | Horizon | de Sitter spacetime | Dark energy | string theory | GALAXY REDSHIFT SURVEY | COLD DARK-MATTER | PHYSICS, MULTIDISCIPLINARY | MICROWAVE BACKGROUND ANISOTROPIES | cosmology | WEAK-COUPLING DUALITY | BLACK-HOLE | dark energy | quintessence | horizon | ANGULAR SCALE INTERFEROMETER | cosmological constant | QUASI-STELLAR OBJECTS | TELESCOPE KEY PROJECT | tachyon | BOUNDARY SCHRODINGER-EQUATION | de sitter spacetime | LY-ALPHA FOREST

Journal Article

Physics Letters B, ISSN 0370-2693, 10/2019, Volume 797, p. 134901

We consider a scalar field with a bottom-less potential, such as , finding that cosmologies unavoidably end up with a crunch, late enough to be compatible with...

Cosmological constant | Relaxation | Multiverse | ASTRONOMY & ASTROPHYSICS | PREDICTIONS | PHYSICS, NUCLEAR | PHYSICS, PARTICLES & FIELDS

Cosmological constant | Relaxation | Multiverse | ASTRONOMY & ASTROPHYSICS | PREDICTIONS | PHYSICS, NUCLEAR | PHYSICS, PARTICLES & FIELDS

Journal Article

Astrophysical Journal, ISSN 0004-637X, 07/2016, Volume 826, Issue 1, pp. 56 - 56

We use the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) to reduce the uncertainty in the local value of the Hubble constant from 3.3% to...

cosmology: observations | distance scale | galaxies: distances and redshifts | cosmological parameters | FUNDAMENTAL PROPERTIES | PERIOD-LUMINOSITY RELATION | IA SUPERNOVAE | ECLIPSING BINARIES | CEPHEID CALIBRATIONS | COSMIC DISTANCE SCALE | SPACE-TELESCOPE | ACTIVE GALAXY NGC-4258 | GEOMETRIC DISTANCE | ASTRONOMY & ASTROPHYSICS | LARGE-MAGELLANIC-CLOUD | Uncertainty | Magellanic clouds | Statistical analysis | Samples | Hubble constant | Statistical methods | Cepheid variables | Estimates | TELESCOPES | CALIBRATION | RED SHIFT | SUPERNOVAE | SPACE | NEAR INFRARED RADIATION | COSMOLOGY | ECLIPSE | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | REDUCTION | MASS | RELICT RADIATION | MASERS | CEPHEIDS | MILKY WAY | NEUTRINOS | UNIVERSE | MAGELLANIC CLOUDS

cosmology: observations | distance scale | galaxies: distances and redshifts | cosmological parameters | FUNDAMENTAL PROPERTIES | PERIOD-LUMINOSITY RELATION | IA SUPERNOVAE | ECLIPSING BINARIES | CEPHEID CALIBRATIONS | COSMIC DISTANCE SCALE | SPACE-TELESCOPE | ACTIVE GALAXY NGC-4258 | GEOMETRIC DISTANCE | ASTRONOMY & ASTROPHYSICS | LARGE-MAGELLANIC-CLOUD | Uncertainty | Magellanic clouds | Statistical analysis | Samples | Hubble constant | Statistical methods | Cepheid variables | Estimates | TELESCOPES | CALIBRATION | RED SHIFT | SUPERNOVAE | SPACE | NEAR INFRARED RADIATION | COSMOLOGY | ECLIPSE | FORECASTING | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | REDUCTION | MASS | RELICT RADIATION | MASERS | CEPHEIDS | MILKY WAY | NEUTRINOS | UNIVERSE | MAGELLANIC CLOUDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 09/2015, Volume 2015, Issue 9, pp. 18 - 18

We consider an inflationary scenario where the rate of inflaton roll defined by (sic)/H(sic) remains constant. The rate of roll is small for slow-roll...

cosmological perturbation theory | physics of the early universe | inflation | PERTURBATIONS | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | SPECTRUM | FLATNESS | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS | ATTRACTORS | COSMOLOGY | DISTURBANCES | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL CONSTANT | DE SITTER GROUP | SCALARS | DE SITTER SPACE | COSMOLOGICAL INFLATION | EXACT SOLUTIONS | POTENTIALS | INFLATIONARY UNIVERSE

cosmological perturbation theory | physics of the early universe | inflation | PERTURBATIONS | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | CONSTRAINTS | SPECTRUM | FLATNESS | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS | ATTRACTORS | COSMOLOGY | DISTURBANCES | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL CONSTANT | DE SITTER GROUP | SCALARS | DE SITTER SPACE | COSMOLOGICAL INFLATION | EXACT SOLUTIONS | POTENTIALS | INFLATIONARY UNIVERSE

Journal Article

10.
Full Text
Effective cosmological constant induced by stochastic fluctuations of Newton's constant

Physics Letters B, ISSN 0370-2693, 09/2016, Volume 760, Issue C, pp. 498 - 501

We consider implications of the microscopic dynamics of spacetime for the evolution of cosmological models. We argue that quantum geometry effects may lead to...

Cosmological constant | Cosmology | Dynamical gravitational constant | Fundamental constants | Quantum gravity | ASTRONOMY & ASTROPHYSICS | GRAVITATION | PHYSICS, NUCLEAR | PHYSICS, PARTICLES & FIELDS | Analysis | Dark energy | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology | Nuclear and High Energy Physics | dk/atira/pure/subjectarea/asjc/3100/3106 | Physics

Cosmological constant | Cosmology | Dynamical gravitational constant | Fundamental constants | Quantum gravity | ASTRONOMY & ASTROPHYSICS | GRAVITATION | PHYSICS, NUCLEAR | PHYSICS, PARTICLES & FIELDS | Analysis | Dark energy | Physics - General Relativity and Quantum Cosmology | General Relativity and Quantum Cosmology | Nuclear and High Energy Physics | dk/atira/pure/subjectarea/asjc/3100/3106 | Physics

Journal Article

Reviews of Modern Physics, ISSN 0034-6861, 04/2003, Volume 75, Issue 2, pp. 559 - 606

Physics welcomes the idea that space contains energy whose gravitational effect approximates that of Einstein's cosmological constant, Lambda; today the...

SPONTANEOUS SYMMETRY-BREAKING | GALAXY REDSHIFT SURVEY | EQUATION-OF-STATE | BLACK-BODY RADIATION | PHYSICS, MULTIDISCIPLINARY | LARGE-SCALE STRUCTURE | UCSB SOUTH-POLE | DIGITAL SKY SURVEY | POWER-SPECTRUM NORMALIZATION | MICROWAVE BACKGROUND ANISOTROPY | INFLATIONARY UNIVERSE SCENARIO | Cosmological constant | Cosmic physics | Astrophysics | Specific gravity | Analysis | Influence | Research | Gravity

SPONTANEOUS SYMMETRY-BREAKING | GALAXY REDSHIFT SURVEY | EQUATION-OF-STATE | BLACK-BODY RADIATION | PHYSICS, MULTIDISCIPLINARY | LARGE-SCALE STRUCTURE | UCSB SOUTH-POLE | DIGITAL SKY SURVEY | POWER-SPECTRUM NORMALIZATION | MICROWAVE BACKGROUND ANISOTROPY | INFLATIONARY UNIVERSE SCENARIO | Cosmological constant | Cosmic physics | Astrophysics | Specific gravity | Analysis | Influence | Research | Gravity

Journal Article