2009, ISBN 9780521828499, xviii, 497

The origin and evolution of the primordial perturbation is the key to understanding structure formation in the earliest stages of the Universe. It carries...

Perturbation (Astronomy) | Inflationary universe

Perturbation (Astronomy) | Inflationary universe

Book

2011, ISBN 9789814343787, xiii, 489

Book

Physics Reports, ISSN 0370-1573, 2009, Volume 475, Issue 1, pp. 1 - 51

We review the study of inhomogeneous perturbations about a homogeneous and isotropic background cosmology. We adopt a coordinate based approach, but give...

Perturbation theory | Cosmological inflation | Cosmology | GRAVITATIONAL-INSTABILITY | PHYSICS, MULTIDISCIPLINARY | FIELD-THEORY | MICROWAVE BACKGROUND ANISOTROPIES | DENSITY PERTURBATIONS | NONLINEAR-THEORY | INFLATIONARY UNIVERSE | METRIC PERTURBATIONS | EVOLUTION | NON-GAUSSIANITY | QUANTUM FLUCTUATIONS | Analysis | Coordinates | Universities and colleges | Physics - Cosmology and Nongalactic Astrophysics | Physics - Earth and Planetary Astrophysics | Physics - Instrumentation and Methods for Astrophysics | Physics - High Energy Astrophysical Phenomena | Physics - Solar and Stellar Astrophysics | Physics - Astrophysics of Galaxies

Perturbation theory | Cosmological inflation | Cosmology | GRAVITATIONAL-INSTABILITY | PHYSICS, MULTIDISCIPLINARY | FIELD-THEORY | MICROWAVE BACKGROUND ANISOTROPIES | DENSITY PERTURBATIONS | NONLINEAR-THEORY | INFLATIONARY UNIVERSE | METRIC PERTURBATIONS | EVOLUTION | NON-GAUSSIANITY | QUANTUM FLUCTUATIONS | Analysis | Coordinates | Universities and colleges | Physics - Cosmology and Nongalactic Astrophysics | Physics - Earth and Planetary Astrophysics | Physics - Instrumentation and Methods for Astrophysics | Physics - High Energy Astrophysical Phenomena | Physics - Solar and Stellar Astrophysics | Physics - Astrophysics of Galaxies

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2013, Volume 429, Issue 2, pp. 1674 - 1685

We present a new formulation of Lagrangian perturbation theory which allows accurate predictions of the real- and redshift-space correlation functions of the...

Gravitation-galaxies | Haloes-galaxies | Statistics-cosmological parameters-large-scale structure of Universe | SPACE | gravitation | galaxies: statistics | ASTRONOMY & ASTROPHYSICS | large-scale structure of Universe | REAL | MODEL | VALIDITY | cosmological parameters | HALOES | galaxies: haloes | Physics - Cosmology and Nongalactic Astrophysics

Gravitation-galaxies | Haloes-galaxies | Statistics-cosmological parameters-large-scale structure of Universe | SPACE | gravitation | galaxies: statistics | ASTRONOMY & ASTROPHYSICS | large-scale structure of Universe | REAL | MODEL | VALIDITY | cosmological parameters | HALOES | galaxies: haloes | Physics - Cosmology and Nongalactic Astrophysics

Journal Article

International Journal of Modern Physics D, ISSN 0218-2718, 06/2018, Volume 27, Issue 8, p. 1830005

The theory of cosmological perturbations is a well-elaborated field and has been successfully applied, e.g. to model the structure formation in our universe...

Canonical cosmological perturbation theory | Dirac observables | general relativity | gauge invariance | relational framework | OBSERVABLES | ASTRONOMY & ASTROPHYSICS | Physics - General Relativity and Quantum Cosmology

Canonical cosmological perturbation theory | Dirac observables | general relativity | gauge invariance | relational framework | OBSERVABLES | ASTRONOMY & ASTROPHYSICS | Physics - General Relativity and Quantum Cosmology

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 01/2012, Volume 2012, Issue 1, pp. 019 - 19

Semi-analytical methods, based on Eulerian perturbation theory, are a promising tool to follow the time evolution of cosmological perturbations at small...

power spectrum | cosmological parameters from LSS | baryon acoustic oscillations | ASTRONOMY & ASTROPHYSICS | OSCILLATIONS | UNIVERSE | PHYSICS, PARTICLES & FIELDS | DENSITY | RED SHIFT | VELOCITY | COSMOLOGY | DISTURBANCES | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | APPROXIMATIONS | ASTROPHYSICS | PERTURBATION THEORY | COMPARATIVE EVALUATIONS

power spectrum | cosmological parameters from LSS | baryon acoustic oscillations | ASTRONOMY & ASTROPHYSICS | OSCILLATIONS | UNIVERSE | PHYSICS, PARTICLES & FIELDS | DENSITY | RED SHIFT | VELOCITY | COSMOLOGY | DISTURBANCES | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | APPROXIMATIONS | ASTROPHYSICS | PERTURBATION THEORY | COMPARATIVE EVALUATIONS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 01/2016, Volume 2016, Issue 1, pp. 43 - 43

Many recent studies have highlighted certain failures of the standard Eulerian-space cosmological perturbation theory (SPT). Its problems include (1) not...

power spectrum | cosmological parameters from LSS | baryon acoustic oscillations | galaxy surveys | POWER-SPECTRUM | GRAVITATIONAL-INSTABILITY | LARGE-SCALE STRUCTURE | DENSITY | REDSHIFT-SPACE | COVARIANCE-MATRIX | EVOLUTION | ASTRONOMY & ASTROPHYSICS | LAGRANGIAN THEORY | FRIEDMAN-LEMAITRE COSMOLOGIES | ANALYTIC MODEL | PHYSICS, PARTICLES & FIELDS | Physics - Cosmology and Nongalactic Astrophysics | CORRELATION FUNCTIONS | APPROXIMATIONS | COUPLING | LAGRANGIAN FUNCTION | SPACE | COSMOLOGY | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | FLUCTUATIONS | PERTURBATION THEORY | OSCILLATIONS | BARYONS | CAPTURE | UNIVERSE

power spectrum | cosmological parameters from LSS | baryon acoustic oscillations | galaxy surveys | POWER-SPECTRUM | GRAVITATIONAL-INSTABILITY | LARGE-SCALE STRUCTURE | DENSITY | REDSHIFT-SPACE | COVARIANCE-MATRIX | EVOLUTION | ASTRONOMY & ASTROPHYSICS | LAGRANGIAN THEORY | FRIEDMAN-LEMAITRE COSMOLOGIES | ANALYTIC MODEL | PHYSICS, PARTICLES & FIELDS | Physics - Cosmology and Nongalactic Astrophysics | CORRELATION FUNCTIONS | APPROXIMATIONS | COUPLING | LAGRANGIAN FUNCTION | SPACE | COSMOLOGY | NONLUMINOUS MATTER | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | NONLINEAR PROBLEMS | FLUCTUATIONS | PERTURBATION THEORY | OSCILLATIONS | BARYONS | CAPTURE | UNIVERSE

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 9/2013, Volume 2013, Issue 9, pp. 1 - 56

Chromo-Natural Inflation is the first worked example of a model of inflation in which slow-roll inflation is achieved by “magnetic drift” as opposed to Hubble...

Quantum Physics | Cosmology of Theories beyond the SM | Quantum Field Theories, String Theory | Chern-Simons Theories | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | FIELDS | COSMOLOGICAL MODELS | FLUCTUATIONS | DYNAMICS | CONSTRAINTS | FLATNESS | GAUGE-FLATION | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS | Inflation (Finance) | Analysis | Tensors | Inflation | Perturbation methods | Mathematical analysis | Gravitational waves | Mathematical models | Gages | Gauges

Quantum Physics | Cosmology of Theories beyond the SM | Quantum Field Theories, String Theory | Chern-Simons Theories | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | FIELDS | COSMOLOGICAL MODELS | FLUCTUATIONS | DYNAMICS | CONSTRAINTS | FLATNESS | GAUGE-FLATION | UNIVERSE | HORIZON | PHYSICS, PARTICLES & FIELDS | Inflation (Finance) | Analysis | Tensors | Inflation | Perturbation methods | Mathematical analysis | Gravitational waves | Mathematical models | Gages | Gauges

Journal Article

Physical Review Letters, ISSN 0031-9007, 09/2009, Volume 103, Issue 10, p. 101303

The fixed point structure of the renormalization flow in higher derivative gravity is investigated in terms of the background covariant effective action using...

PHYSICS, MULTIDISCIPLINARY | DERIVATIVE QUANTUM-GRAVITY | EQUATION | RENORMALIZATION | INTEGRALS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | COSMOLOGICAL CONSTANT | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | MASS | PARTICLE TRACKS | PERTURBATION THEORY | GRAVITATION | ACTION INTEGRAL

PHYSICS, MULTIDISCIPLINARY | DERIVATIVE QUANTUM-GRAVITY | EQUATION | RENORMALIZATION | INTEGRALS | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | COSMOLOGICAL CONSTANT | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | MASS | PARTICLE TRACKS | PERTURBATION THEORY | GRAVITATION | ACTION INTEGRAL

Journal Article

Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 2010, Volume 403, Issue 4, pp. 1859 - 1872

We describe and test a new method for creating initial conditions for cosmological N-body dark matter simulations based on second-order Lagrangian perturbation...

methods: N‐body simulations | cosmology: theory | Cosmology: theory | Methods: N-body simulations | methods: N-body simulations | COLD DARK-MATTER | GRAVITATIONAL-INSTABILITY | COSMOLOGICAL SIMULATIONS | N-BODY SIMULATIONS | LAMBDA-CDM | GAUSSIAN RANDOM-FIELDS | CLUSTERS | ASTRONOMY & ASTROPHYSICS | GALAXIES | GALACTIC HALOES | INNER STRUCTURE | Cosmology | Astrophysics | Dark matter | Simulation | Astronomy

methods: N‐body simulations | cosmology: theory | Cosmology: theory | Methods: N-body simulations | methods: N-body simulations | COLD DARK-MATTER | GRAVITATIONAL-INSTABILITY | COSMOLOGICAL SIMULATIONS | N-BODY SIMULATIONS | LAMBDA-CDM | GAUSSIAN RANDOM-FIELDS | CLUSTERS | ASTRONOMY & ASTROPHYSICS | GALAXIES | GALACTIC HALOES | INNER STRUCTURE | Cosmology | Astrophysics | Dark matter | Simulation | Astronomy

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 | EVOLUTION | BISPECTRUM | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | cosmological perturbation theory | physics of the early universe | inflation | PROBE | PHYSICS, PARTICLES & FIELDS

Cosmological perturbation theory | Physics of the early universe | CMBR theory | Inflation | RICH CLUSTERS | EVOLUTION | BISPECTRUM | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | cosmological perturbation theory | physics of the early universe | inflation | PROBE | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 09/2010, Volume 82, Issue 6

We present an improved prescription for the matter power spectrum in redshift space taking proper account of both nonlinear gravitational clustering and...

MATTER | COSMOLOGICAL CONSTANT | PROBING DARK ENERGY | DIGITAL SKY SURVEY | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | REAL-SPACE | DISTORTIONS | NONLINEAR EVOLUTION | LUMINOUS RED GALAXIES | N-BODY SIMULATIONS | PHYSICS, PARTICLES & FIELDS

MATTER | COSMOLOGICAL CONSTANT | PROBING DARK ENERGY | DIGITAL SKY SURVEY | FLUCTUATIONS | ASTRONOMY & ASTROPHYSICS | REAL-SPACE | DISTORTIONS | NONLINEAR EVOLUTION | LUMINOUS RED GALAXIES | N-BODY SIMULATIONS | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 10/2018, Volume 2018, Issue 10, pp. 1 - 28

Persistent puzzles to do with information loss for black holes have stimulated critical reassessment of the domain of validity of semiclassical EFT reasoning...

Black Holes | Renormalization Regularization and Renormalons | Quantum Physics | Quantum Field Theories, String Theory | Effective Field Theories | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | Thermal Field Theory | PRIMORDIAL FLUCTUATIONS | EARLY UNIVERSE | FIELD-THEORY | TO-CLASSICAL TRANSITION | BLACK-HOLES | COSMOLOGICAL PERTURBATIONS | QUANTUM CONTRIBUTIONS | PARTICLE CREATION | ONE-LOOP CORRECTIONS | FINITE-TEMPERATURE | PHYSICS, PARTICLES & FIELDS | Analysis | Gravity | Perturbation theory | Couplings | Gravitational fields | Cosmology | Mathematical analysis

Black Holes | Renormalization Regularization and Renormalons | Quantum Physics | Quantum Field Theories, String Theory | Effective Field Theories | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | Thermal Field Theory | PRIMORDIAL FLUCTUATIONS | EARLY UNIVERSE | FIELD-THEORY | TO-CLASSICAL TRANSITION | BLACK-HOLES | COSMOLOGICAL PERTURBATIONS | QUANTUM CONTRIBUTIONS | PARTICLE CREATION | ONE-LOOP CORRECTIONS | FINITE-TEMPERATURE | PHYSICS, PARTICLES & FIELDS | Analysis | Gravity | Perturbation theory | Couplings | Gravitational fields | Cosmology | Mathematical analysis

Journal Article

14.
Full Text
Hamiltonian formalism and gauge-fixing conditions for cosmological perturbation theory

CLASSICAL AND QUANTUM GRAVITY, ISSN 0264-9381, 11/2019, Volume 36, Issue 21, p. 215003

We apply the Dirac procedure for constrained systems to the Arnowitt-Deser-Misner formalism linearized around the Friedmann-Lemaitre universe. We explain and...

Dirac method for constrained systems | QUANTUM SCIENCE & TECHNOLOGY | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | cosmological perturbation theory | TIME | reduced phase space formalism | Hamiltonian formalism | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

Dirac method for constrained systems | QUANTUM SCIENCE & TECHNOLOGY | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | cosmological perturbation theory | TIME | reduced phase space formalism | Hamiltonian formalism | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

Journal Article

Classical and Quantum Gravity, ISSN 0264-9381, 04/2019, Volume 36, Issue 8, p. 85009

The relational formalism based on geometrical clocks and Dirac observables in linearized canonical cosmological perturbation theory is used to introduce an...

cosmological perturbation theory | Dirac observables | relational formalism | canonical approaches | QUANTUM SCIENCE & TECHNOLOGY | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | COVARIANT | QUANTIZATION | PHYSICS, PARTICLES & FIELDS

cosmological perturbation theory | Dirac observables | relational formalism | canonical approaches | QUANTUM SCIENCE & TECHNOLOGY | PHYSICS, MULTIDISCIPLINARY | ASTRONOMY & ASTROPHYSICS | COVARIANT | QUANTIZATION | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 2017, Volume 2017, Issue 7, pp. 31 - 31

We study cosmological perturbations in mimetic matter scenario with a general higher derivative function. We calculate the quadratic action and show that both...

modified gravity | cosmological perturbation theory | dark matter theory | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | INSTABILITY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL MODELS | PERTURBATION THEORY | HAMILTONIANS | COMPUTERIZED SIMULATION

modified gravity | cosmological perturbation theory | dark matter theory | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | DISTURBANCES | INSTABILITY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | COSMOLOGICAL MODELS | PERTURBATION THEORY | HAMILTONIANS | COMPUTERIZED SIMULATION

Journal Article

Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, 06/2013, Volume 2013, Issue 6, pp. 1 - 17

We perform detailed investigation of cosmological perturbations in f(T) theory of gravity coupled with scalar field. Our work emphasizes on the way to gauge...

Cosmological perturbation theory | Modified gravity | modified gravity | cosmological perturbation theory | TORSION | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Gravitation | Tensors | Degrees of freedom | Perturbation methods | Mathematical analysis | Scalars | Nonlinearity | Joining | Vectors (mathematics) | DEGREES OF FREEDOM | STABILITY | COUPLING | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | NONLINEAR PROBLEMS | COSMOLOGICAL MODELS | SCALAR FIELDS | SCALARS | MASS | PERTURBATION THEORY | GRAVITATION | TIME DEPENDENCE

Cosmological perturbation theory | Modified gravity | modified gravity | cosmological perturbation theory | TORSION | ASTRONOMY & ASTROPHYSICS | PHYSICS, PARTICLES & FIELDS | Gravitation | Tensors | Degrees of freedom | Perturbation methods | Mathematical analysis | Scalars | Nonlinearity | Joining | Vectors (mathematics) | DEGREES OF FREEDOM | STABILITY | COUPLING | COSMOLOGY | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GENERAL RELATIVITY THEORY | NONLINEAR PROBLEMS | COSMOLOGICAL MODELS | SCALAR FIELDS | SCALARS | MASS | PERTURBATION THEORY | GRAVITATION | TIME DEPENDENCE

Journal Article