Cosmological consequences of a rolling homogeneous scalar field
1988/06/15 by Bharat Ratra, P. J. E. Peebles · 579 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Galaxies: Formation, Evolution, Phenomena
paper · pdf · doi:10.1103/physrevd.37.3406
Abstract
The cosmological consequences of a pervasive, rolling, self-interacting, homogeneous scalar field are investigated. A number of models in which the energy density of the scalar field red-shifts in a specific manner are studied. In these models the current epoch is chosen to be scalar-field dominated to agree with dynamical estimates of the density parameter, \ensuremathΩ_dyn\mathrm\ensuremath∼0.2, and zero spatial curvature. The required scalar-field potential is ``nonlinear'' and decreases in magnitude as the value of the scalar field increases. A special solution of the field equations which is an attractive, time-dependent, fixed point is presented. These models are consistent with the classical tests of gravitation theory. The E"otv"os-Dicke measurements strongly constrain the coupling of the scalar field to light (nongravitational) fields. Nucleosynthesis proceeds as in the standard hot big-bang model. In linear perturbation theory the behavior of baryonic perturbations, in the baryon-dominated epoch, do not differ significantly from the canonical scenario, while the presence of a substantial amount of homogeneous scalar-field energy density at low red-shifts inhibits the growth of perturbations in the baryonic fluid. The energy density in the scalar field is not appreciably perturbed by nonrelativistic gravitational fields, either in the radiation-dominated, matter-dominated, or scalar-field-dominated epochs. On the basis of this effect, we argue that these models could reconcile the low dynamical estimates of the mean mass density with the negligibly small spatial curvature preferred by inflation.
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- Holographic dark energy models with interactions and entropy corrections for different cutoffs in the Brans–Dicke cosmology
- Schwarzschild black hole in dark energy background
- Shape invariance method for quintom model in the bent brane background
- Priors on the effective dark energy equation of state in scalar-tensor theories
- Cosmic acceleration without dark energy: background tests and thermodynamic analysis
- Bouncing universe with the modified gravity coupled to the Weyl tensor
- Can asymptotic series resolve the problems of inflation?
- Curvature force and dark energy
- WMAP constraints on the Cardassian model
- New classes of cosmic energy and primordial black-hole formation
- Studying the intervention of an unusual term in f(T) gravity via the Noether symmetry approach
- Constraints on Dark Energy from Galaxy Cluster Gas Mass Fraction versus Redshift Data
- Correspondence between kinematical backreaction and scalar field cosmologies—the ‘morphon field’
- Structure formation and the time dependence of quintessence
- Single scale factor for the universe from the creation of radiation and matter till the present
- Deflationary cosmology: Constraints from angular size and ages of globular clusters
- General non-minimal kinetic coupling to gravity
- Incompressible topological solitons
- Evidence for non-cold dark matter from DESI DR2 measurements
- Holographic dark energy from nonadditive entropy: Cosmological perturbations and observational constraints
- On classical stability with broken supersymmetry
- Complete dark energy scenario in f(Q) gravity
- Using the large scale quasar clustering to constrain flat quintessential universes
- Thermodynamic analysis of modified teleparallel gravity involving higher-order torsion derivative terms
- Interacting New Agegraphic Phantom Model of Dark Energy in Non-flat Universe
- Non-minimal gravitational reheating during kination
- The cosmology in f(R,τ) gravity without dark energy
- String inspired quintom model with non-minimally coupled modified gravity
- Attractor solutions in Lorentz violating scalar-vector-tensor theory
- New Gedanken experiment on Reissner-Nordström AdS Black Holes surrounded by quintessence
- Constraints on the sum of the neutrino masses in dynamical dark energy models with w(z)≥−1 are tighter than those obtained in ΛCDM
- Dark energy models in thew−w′plane
- The three-loop Yang–Mills condensate dark energy model and its cosmological constraints
- INFLATION AS AN ATTRACTOR IN SCALAR COSMOLOGY
- A new variable in scalar cosmology with an exponential potential
- Matter density perturbations in modified gravity models with arbitrary coupling between matter and geometry
- Cosmology with a new f(R) gravity model in Palatini formalism
- Supernova data may be unable to distinguish between quintessence and k-essence
- Cosmological constraints on the dark energy equation of state and its evolution
- Cosmological constraints from large-scale structure growth rate measurements
- Holographic Dark Energy in Brans-Dicke Cosmology with Granda-Oliveros Cut-off
- Exact inflation in Einstein–Gauss–Bonnet gravity
- The megamaser cosmology project. I. very long baseline interferometric observations of UGC 3789
- f(R) dual theories of quintessence: expansion-collapse duality
- Holographic dark energy in a cyclic universe
- Gravitational lensing constraints on dynamical and coupled dark energy
- Exploring Cartan gravity with dynamical symmetry breaking
- Cosmology with 21cm intensity mapping
- Inhomogeneous and Interacting Vacuum Energy
- On curvature coupling and quintessence fine-tuning
- Kinematic model-independent reconstruction of Palatini f(R) cosmology
- A COMPARISON OF QUINTESSENCE AND NON-LINEAR BORN–INFELD SCALAR FIELD USING GOLD SUPERNOVA DATA
- Cosmological dynamics of dark energy in scalar-torsion f(T,φ ) gravity
- Friedman—Robertson—Walker Models with Late-Time Acceleration
- RECONSTRUCTING THE POTENTIALS FOR THE QUINTESSENCE AND TACHYON DARK ENERGY, FROM THE HOLOGRAPHIC PRINCIPLE
- Observational Constraints on Cosmology from the Modified Friedmann Equation
- Quintom evolution in power-law potentials
- Gravity from spinors
- Phase transition in Schwarzschild-de Sitter spacetime
- Dynamics of entropy perturbations in assisted dark energy with mixed kinetic terms
- The variation of the electromagnetic coupling and quintessence
- Strong lensing, cosmology and lensing halos
- Conformally related metrics and Lagrangians and their physical interpretation in cosmology
- A Cosmological Model of the Early Universe Based on ECG with Variable Λ-Term in Lyra Geometry
- On the phantom barrier crossing and the bounds on the speed of sound in non-minimal derivative coupling theories
- Interacting Chaplygin gas revisited
- Prospects for studying the dark energy at z > 2 with galaxy surveys
- Statefinder Parameters for Different Dark Energy Models with Variable G Correction in Kaluza-Klein Cosmology
- Nucleosynthesis bounds on a time-varying cosmological ‘constant’
- Dynamics and cosmological evolution in Λ-varying cosmology
- Probing interaction and spatial curvature in the holographic dark energy model
- Coupling constant constraints in a nonminimally coupled phantom cosmology
- Anisotropic brane gravity with a confining potential
- Gravitational effects of disformal couplings
- Dynamical Analysis of Scalar Field Cosmologies with Spatial Curvature
- Cosmic acceleration from M theory on twisted spaces
- Slow-roll freezing quintessence
- Brane world cosmology with Gauss-Bonnet interaction
- Cosmological solutions in multiscalar field theory
- Constraint on coupled dark energy models from observations
- Black hole perturbations in vector-tensor theories: the odd-mode analysis
- Cosmological implications and structure formation from a time varying vacuum
- Perturbations in the relaxation mechanism for a large cosmological constant
- Metastable dark energy
- Natural quintessence?
- Quintessential Adjustment of the Cosmological Constant
- Tracking Dark Energy from Axion-Gauge Field Couplings
- Spherically symmetric and static solutions in f(R) gravity coupled with electromagnetic fields
- Constraints on Coupled Dark Energy in the DESI Era
- Efficient simulations of large-scale structure in modified gravity cosmologies with comoving Lagrangian acceleration
- Cosmological model in the framework of f(R,Lm) gravity with quadratic equation of state parameter
- Applications of scalar attractor solutions to cosmology
- Some observational consequences of brane world cosmologies
- Expansion around the vacuum equation of state: Sudden future singularities and asymptotic behavior
- Supernovae constraints on models of dark energy reexamined
- Can gamma-ray bursts constrain quintessence?
- Parametrization of quintessence and its potential
- Cosmology with a variable Chaplygin gas
- Effect on Cosmic Microwave Background Polarization of Coupling of Quintessence to Pseudoscalar Formed from the Electromagnetic Field and its Dual
- Cross-correlation of cosmological birefringence with CMB temperature
- Coupled dark energy: a dynamical analysis with complex scalar field
- Comparison of dark energy models using late-universe observations
- Quantum Gravity Meets DESI: Dynamical Dark Energy in Light of the Trans-Planckian Censorship Conjecture
- Quintessential inflation and cosmological seesaw mechanism: reheating and observational constraints
- Variable gravity Universe
- Early dark energy cosmologies
- Dynamical Dark Energy in light of the DESI DR2 Baryonic Acoustic Oscillations Measurements
- The effect of modified gravity on weak lensing
- Dark energy [wikipedia]
- Jim Peebles [wikipedia]
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