PHYSICAL REVIEW D, ISSN 2470-0010, 04/2017, Volume 95, Issue 7

A search for a long-lived scalar particle. is performed, looking for the decay B+ -> K+chi with chi ->mu(+)mu(-) pp collision data corresponding to an...

INFLATON | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

INFLATON | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 04/2015, Volume 91, Issue 8

We consider hybrid inflation for small couplings of the inflaton to matter such that the critical value of the inflaton field exceeds the Planck mass. It has...

NATURAL INFLATION | SUPERGRAVITY | ASTRONOMY & ASTROPHYSICS | TERMS | PHYSICS, PARTICLES & FIELDS

NATURAL INFLATION | SUPERGRAVITY | ASTRONOMY & ASTROPHYSICS | TERMS | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review Letters, ISSN 0031-9007, 10/2015, Volume 115, Issue 16

A search is presented for hidden-sector bosons, chi, produced in the decay B-0 -> K*(892)(0)chi, with K*(892)(0) -> K+pi(-) and chi -> mu(+)mu(-). The search...

INFLATON | DARK-MATTER | STRONG CP PROBLEM | AXION | ENERGIES

INFLATON | DARK-MATTER | STRONG CP PROBLEM | AXION | ENERGIES

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 09/2008, Volume 78, Issue 6

We derive big-bang nucleosynthesis (BBN) constraints on both unstable and stable gravitino taking account of recent progress in theoretical study of the BBN...

EARLY UNIVERSE | LATE-DECAYING PARTICLES | THERMAL LEPTOGENESIS | ASTRONOMY & ASTROPHYSICS | PRIMORDIAL LITHIUM | DARK-MATTER SCENARIOS | COSMOLOGICAL CONSTRAINTS | DYNAMICAL SUPERSYMMETRY BREAKING | LIGHT-ELEMENTS | INFLATON DECAY | ABUNDANCE | PHYSICS, PARTICLES & FIELDS

EARLY UNIVERSE | LATE-DECAYING PARTICLES | THERMAL LEPTOGENESIS | ASTRONOMY & ASTROPHYSICS | PRIMORDIAL LITHIUM | DARK-MATTER SCENARIOS | COSMOLOGICAL CONSTRAINTS | DYNAMICAL SUPERSYMMETRY BREAKING | LIGHT-ELEMENTS | INFLATON DECAY | ABUNDANCE | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 10/2013, Volume 2013, Issue 10, pp. 4 - 4

The simplest gauge invariant models of inflationary magnetogenesis are known to suffer from the problems of either large backreaction or strong coupling, which...

primordial magnetic fields, ination | primordial magnetic fields | INFLATON | PERTURBATIONS | EARLY UNIVERSE | STRING COSMOLOGY | ASTRONOMY & ASTROPHYSICS | inflation | EXTRAGALACTIC MAGNETIC-FIELDS | PHYSICS, PARTICLES & FIELDS | Field strength | Inflation | Heating | Scale (ratio) | Joining | Magnetic fields | Gages | Strength | Invariants | MAGNETIC FIELDS | CONFORMAL INVARIANCE | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | LIMITING VALUES | ELECTROMAGNETISM | INFLATONS | COUPLING | INFLATIONARY UNIVERSE | UNIVERSE | GAUGE INVARIANCE

primordial magnetic fields, ination | primordial magnetic fields | INFLATON | PERTURBATIONS | EARLY UNIVERSE | STRING COSMOLOGY | ASTRONOMY & ASTROPHYSICS | inflation | EXTRAGALACTIC MAGNETIC-FIELDS | PHYSICS, PARTICLES & FIELDS | Field strength | Inflation | Heating | Scale (ratio) | Joining | Magnetic fields | Gages | Strength | Invariants | MAGNETIC FIELDS | CONFORMAL INVARIANCE | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | LIMITING VALUES | ELECTROMAGNETISM | INFLATONS | COUPLING | INFLATIONARY UNIVERSE | UNIVERSE | GAUGE INVARIANCE

Journal Article

International Journal of Modern Physics D, ISSN 0218-2718, 01/2015, Volume 24, Issue 1, pp. 1530003 - 1-1530003-46

Our understanding of the state of the universe between the end of inflation and big bang nucleosynthesis (BBN) is incomplete. The dynamics at the end of...

Inflation | Nonperturbative dynamics | Thermalization | Inflaton decay | Parametric resonance | Preheating | Reheating | reheating | GRAVITATIONAL-INSTABILITY | nonperturbative dynamics | DENSITY PERTURBATIONS | thermalization | parametric resonance | PARTICLE-PRODUCTION | inflaton decay | preheating | BARYOGENESIS | COSMOLOGY | RESONANCE | SCALAR FIELDS | ASTRONOMY & ASTROPHYSICS | UNIVERSE | LATTICE | Inflation (Finance) | Analysis | Heating | Dynamics | Big bang cosmology | Universe | Mathematical models | Signatures

Inflation | Nonperturbative dynamics | Thermalization | Inflaton decay | Parametric resonance | Preheating | Reheating | reheating | GRAVITATIONAL-INSTABILITY | nonperturbative dynamics | DENSITY PERTURBATIONS | thermalization | parametric resonance | PARTICLE-PRODUCTION | inflaton decay | preheating | BARYOGENESIS | COSMOLOGY | RESONANCE | SCALAR FIELDS | ASTRONOMY & ASTROPHYSICS | UNIVERSE | LATTICE | Inflation (Finance) | Analysis | Heating | Dynamics | Big bang cosmology | Universe | Mathematical models | Signatures

Journal Article

Physical Review Letters, ISSN 0031-9007, 04/2008, Volume 100, Issue 17, p. 171302

The new ekpyrotic model is an alternative scenario of the early Universe which relies on a phase of slow contraction before the big bang. We calculate the...

INFLATON | FIELDS | MODELS | PHYSICS, MULTIDISCIPLINARY | Physics - High Energy Physics - Theory

INFLATON | FIELDS | MODELS | PHYSICS, MULTIDISCIPLINARY | Physics - High Energy Physics - Theory

Journal Article

Journal of High Energy Physics, ISSN 2036-3176, 9/2014, Volume 2014, Issue 9, pp. 1 - 32

Flux couplings to string theory axions yield super-Planckian field ranges along which the axion potential energy grows. At the same time, other aspects of the...

Flux compactifications | Quantum Physics | Cosmology of Theories beyond the SM | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | NATURAL INFLATION | GRAVITY-WAVES | FLATNESS | HORIZON | INFLATIONARY UNIVERSE SCENARIO | COSMOLOGY | MODELS | FLUCTUATIONS | DYNAMICS | CONSTRAINTS | PHYSICS, PARTICLES & FIELDS | Analysis | Force and energy | moduli space | simplex | potential [inflaton] | Calabi-Yau [space] | inflation | coupling [string] | T-duality | mirror [symmetry] | compactification | field strength | monodromy | flux | yield [axion] | torus | Nuclear and High Energy Physics | High Energy Physics - Theory | Riemann surface | energy [potential] | stability [moduli] | potential [axion] | High Energy Physics - Phenomenology | string model | Astrophysics - Cosmology and Nongalactic Astrophysics

Flux compactifications | Quantum Physics | Cosmology of Theories beyond the SM | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | NATURAL INFLATION | GRAVITY-WAVES | FLATNESS | HORIZON | INFLATIONARY UNIVERSE SCENARIO | COSMOLOGY | MODELS | FLUCTUATIONS | DYNAMICS | CONSTRAINTS | PHYSICS, PARTICLES & FIELDS | Analysis | Force and energy | moduli space | simplex | potential [inflaton] | Calabi-Yau [space] | inflation | coupling [string] | T-duality | mirror [symmetry] | compactification | field strength | monodromy | flux | yield [axion] | torus | Nuclear and High Energy Physics | High Energy Physics - Theory | Riemann surface | energy [potential] | stability [moduli] | potential [axion] | High Energy Physics - Phenomenology | string model | Astrophysics - Cosmology and Nongalactic Astrophysics

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 06/2016, Volume 2016, Issue 6, pp. 31 - 31

Current bounds from the polarization of the CMB predict the scale-invariant gravitational wave (GW) background of inflation to be out of reach for upcoming GW...

ination | gravitational waves and CMBR polarization | particle physics - cosmology connection | primordial gravitational waves (theory) | PERTURBATIONS | MODELS | ASTRONOMY & ASTROPHYSICS | SPECTRUM | inflation | PHYSICS, PARTICLES & FIELDS | SPACE | INTERFEROMETERS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | PSEUDOSCALARS | FREQUENCY ANALYSIS | GRAVITATIONAL WAVES | RELICT RADIATION | INFLATONS | DETECTION | COUPLING | INFLATIONARY UNIVERSE | POLARIZATION

ination | gravitational waves and CMBR polarization | particle physics - cosmology connection | primordial gravitational waves (theory) | PERTURBATIONS | MODELS | ASTRONOMY & ASTROPHYSICS | SPECTRUM | inflation | PHYSICS, PARTICLES & FIELDS | SPACE | INTERFEROMETERS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | PSEUDOSCALARS | FREQUENCY ANALYSIS | GRAVITATIONAL WAVES | RELICT RADIATION | INFLATONS | DETECTION | COUPLING | INFLATIONARY UNIVERSE | POLARIZATION

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 01/2011, Volume 83, Issue 2

We derive accurate semianalytic formulas for the power spectra from two-field inflation assuming an arbitrary potential and arbitrary noncanonical kinetic...

COSMOLOGICAL PERTURBATIONS | MODELS | SCALAR FIELDS | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | MULTIPLE-FIELD INFLATION | SPECTRUM | UNIVERSE | QUANTUM FLUCTUATIONS | MULTICOMPONENT INFLATON | HYBRID INFLATION | PHYSICS, PARTICLES & FIELDS

COSMOLOGICAL PERTURBATIONS | MODELS | SCALAR FIELDS | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | MULTIPLE-FIELD INFLATION | SPECTRUM | UNIVERSE | QUANTUM FLUCTUATIONS | MULTICOMPONENT INFLATON | HYBRID INFLATION | PHYSICS, PARTICLES & FIELDS

Journal Article

PHYSICS LETTERS B, ISSN 0370-2693, 01/2013, Volume 718, Issue 3, pp. 718 - 721

We compute the scale dependence of f(NL), for models of multi-field inflation, allowing for an arbitrary field space metric. We show that, in addition to...

2ND-ORDER CORRECTIONS | POWER SPECTRUM | PERTURBATIONS | MODELS | PHYSICS, MULTIDISCIPLINARY | SLOW-ROLL EXPANSION | FLATNESS | INFLATIONARY UNIVERSE | HORIZON | MULTICOMPONENT INFLATON

2ND-ORDER CORRECTIONS | POWER SPECTRUM | PERTURBATIONS | MODELS | PHYSICS, MULTIDISCIPLINARY | SLOW-ROLL EXPANSION | FLATNESS | INFLATIONARY UNIVERSE | HORIZON | MULTICOMPONENT INFLATON

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 11/2012, Volume 2012, Issue 11, pp. 60 - 60

We compute the covariant three-point function near horizon-crossing for a system of slowly-rolling scalar fields during an inflationary epoch, allowing for an...

cosmological perturbation theory | inflation | 2ND-ORDER | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | SPECTRUM | NON-GAUSSIANITY | MULTICOMPONENT INFLATON | PHYSICS, PARTICLES & FIELDS | Perturbation methods | Mathematical analysis | Cosmology | Scalars | Nonlinearity | Evolution | Mathematical models | Transformations | Curvature | METRICS | INFLATONS | POTENTIALS | COUPLING | INFLATIONARY UNIVERSE | GAUGE INVARIANCE | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | SPACE-TIME | SCALAR FIELDS | SCALARS | EXPANSION | PERTURBATION THEORY | UNIVERSE

cosmological perturbation theory | inflation | 2ND-ORDER | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | SPECTRUM | NON-GAUSSIANITY | MULTICOMPONENT INFLATON | PHYSICS, PARTICLES & FIELDS | Perturbation methods | Mathematical analysis | Cosmology | Scalars | Nonlinearity | Evolution | Mathematical models | Transformations | Curvature | METRICS | INFLATONS | POTENTIALS | COUPLING | INFLATIONARY UNIVERSE | GAUGE INVARIANCE | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | SPACE-TIME | SCALAR FIELDS | SCALARS | EXPANSION | PERTURBATION THEORY | UNIVERSE

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 05/2013, Volume 87, Issue 10

We develop an approach for linking the power spectra, bispectrum, and trispectrum to the geometric and kinematical features of multifield inflationary...

2ND-ORDER | COSMOLOGICAL PERTURBATIONS | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | DYNAMICS | SPECTRUM | UNIVERSE | QUANTUM FLUCTUATIONS | HORIZON | MULTICOMPONENT INFLATON | PHYSICS, PARTICLES & FIELDS

2ND-ORDER | COSMOLOGICAL PERTURBATIONS | ASTRONOMY & ASTROPHYSICS | DENSITY PERTURBATIONS | DYNAMICS | SPECTRUM | UNIVERSE | QUANTUM FLUCTUATIONS | HORIZON | MULTICOMPONENT INFLATON | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 11/2012, Volume 2012, Issue 11, pp. 1 - 28

We argue that dark radiation is naturally generated from the decay of the overall volume modulus in the LARGE volume scenario. We consider both sequestered and...

Strings and branes phenomenology | Quantum Physics | Supersymmetry Phenomenology | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | GAUGE COUPLINGS | SUPERGRAVITY | GRAVITINO | COSMOLOGICAL IMPLICATIONS | POLONYI | DILATION | AXION | INFLATON DECAY | ABUNDANCE | MASS | PHYSICS, PARTICLES & FIELDS | Specific gravity | Nuclear radiation

Strings and branes phenomenology | Quantum Physics | Supersymmetry Phenomenology | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | GAUGE COUPLINGS | SUPERGRAVITY | GRAVITINO | COSMOLOGICAL IMPLICATIONS | POLONYI | DILATION | AXION | INFLATON DECAY | ABUNDANCE | MASS | PHYSICS, PARTICLES & FIELDS | Specific gravity | Nuclear radiation

Journal Article

Canadian Journal of Physics, ISSN 0008-4204, 07/2015, Volume 93, Issue 12, pp. 1561 - 1565

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 02/2016, Volume 2016, Issue 2, pp. 12 - 12

We discuss the introduction of a non minimal coupling between the inflaton and gravity in terms of our recently proposed beta-function formalism for inflation....

cosmology of theories beyond the SM | physics of the early universe | inflation | gravity | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | ATTRACTORS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL INFLATION | GRAVITATION | STRONG-COUPLING MODEL | INFLATONS | COUPLING | INFLATIONARY UNIVERSE

cosmology of theories beyond the SM | physics of the early universe | inflation | gravity | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | ATTRACTORS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL INFLATION | GRAVITATION | STRONG-COUPLING MODEL | INFLATONS | COUPLING | INFLATIONARY UNIVERSE

Journal Article

Physics Letters B, ISSN 0370-2693, 01/2009, Volume 671, Issue 1, pp. 71 - 76

We study a scenario that a hidden gauge boson constitutes the dominant component of dark matter and decays into the standard model particles through a gauge...

STRINGS | FRACTION | ELECTRONS | ASTRONOMY & ASTROPHYSICS | MASS | DOMAIN-WALLS | DARK-MATTER | PHYSICS, NUCLEAR | INFLATON DECAY | PROPAGATION | PHYSICS, PARTICLES & FIELDS

STRINGS | FRACTION | ELECTRONS | ASTRONOMY & ASTROPHYSICS | MASS | DOMAIN-WALLS | DARK-MATTER | PHYSICS, NUCLEAR | INFLATON DECAY | PROPAGATION | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 11/2014, Volume 2014, Issue 11, pp. 6 - 6

We consider D-term inflation for small couplings of the inflaton to matter fields. Standard hybrid inflation then ends at a critical value of the inflaton...

ination | particle physics - cosmology connection | cosmological phase transitions | FALSE VACUUM DECAY | SUPERGRAVITY | ASTRONOMY & ASTROPHYSICS | inflation | SYMMETRY-BREAKING | HYBRID INFLATION | PHYSICS, PARTICLES & FIELDS | density [energy] | time dependence | Astrophysics | quantum [fluctuation] | potential [inflaton] | High Energy Physics - Theory | D-term [inflation] | hybrid [inflation] | General Relativity and Quantum Cosmology | High Energy Physics - Phenomenology | Cosmology and Extragalactic Astrophysics | decay [false vacuum] | coupling [inflaton] | chaos [inflation] | Planck [scale] | slow-roll approximation | time [decoherence] | Astrophysics - Cosmology and Nongalactic Astrophysics | COSMOLOGICAL INFLATION | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ENERGY DENSITY | TIME DEPENDENCE | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | CHAOS THEORY

ination | particle physics - cosmology connection | cosmological phase transitions | FALSE VACUUM DECAY | SUPERGRAVITY | ASTRONOMY & ASTROPHYSICS | inflation | SYMMETRY-BREAKING | HYBRID INFLATION | PHYSICS, PARTICLES & FIELDS | density [energy] | time dependence | Astrophysics | quantum [fluctuation] | potential [inflaton] | High Energy Physics - Theory | D-term [inflation] | hybrid [inflation] | General Relativity and Quantum Cosmology | High Energy Physics - Phenomenology | Cosmology and Extragalactic Astrophysics | decay [false vacuum] | coupling [inflaton] | chaos [inflation] | Planck [scale] | slow-roll approximation | time [decoherence] | Astrophysics - Cosmology and Nongalactic Astrophysics | COSMOLOGICAL INFLATION | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ENERGY DENSITY | TIME DEPENDENCE | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | CHAOS THEORY

Journal Article