Suppressing CMB Quadrupole with a Bounce from Contracting Phase to Inflation

Abstract

Recent released WMAP data show a low value of quadrupole in the CMB temperature fluctuations, which confirms the early observations by COBE. In this paper, a scenario, in which a contracting phase is followed by an inflationary phase, is constructed. We calculate the perturbation spectrum and show that this scenario can provide a reasonable explanation for lower CMB anisotropies on large angular scales.

5 pages, 3 figures

References in corpus (47)

• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Determination of Cosmological Parameters
• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Preliminary Maps and Basic Results
• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Implications for Inflation
• Wilkinson Microwave Anisotropy Probe (WMAP) First Year Observations: TE Polarization
• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Angular Power Spectrum
• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Tests of Gaussianity
• The significance of the largest scale CMB fluctuations in WMAP
• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Parameter Estimation Methodology
• Suppressing the lower Multipoles in the CMB Anisotropies
• Reconstructing the primordial power spectrum
• The Reionization History at High Redshifts I: Physical Models and New Constraints from CMB Polarization
• Early Reionization by the First Galaxies
• Is the Low CMB Quadrupole a Signature of Spatial Curvature?
• Does the small CMB quadrupole moment suggest new physics?
• Implications of WMAP Observations On the Population III Star Formation Processes
• A Maximum Likelihood Analysis of the Low CMB Multipoles from WMAP
• Non-commutative inflation and the CMB
• Constraining slow-roll inflation with WMAP and 2dF
• Nearly Scale-Invariant Spectrum of Adiabatic Fluctuations May be from a Very Slowly Expanding Phase of the Universe
• Effects of the Sound Speed of Quintessence on the Microwave Background and Large Scale Structure
• Double Inflation and the Low CMB Quadrupole
• Model-Independent Reconstruction of the Primordial Power Spectrum from WMAP Data
• The Statistical Significance of the Low CMB Mulitipoles
• WMAPping inflationary physics
• CMB Power Spectrum from Noncommutative Spacetime
• WMAP and Inflation
• Cosmological constraints from the CMB and Ly-alpha forest revisited
• Noncommutative Inflation and the CMB Multipoles
• Inflation with a running spectral index in supergravity
• 2-point anisotropies in WMAP and the Cosmic Quadrupole
• Cosmological perturbations and the transition from contraction to expansion
• Running of the Scalar Spectral Index from Inflationary Models
• What Can WMAP Tell Us About The Very Early Universe? New Physics as an Explanation of Suppressed Large Scale Power and Running Spectral Index
• Chaotic hybrid new inflation in supergravity with a running spectral index
• Correlated Isocurvature Fluctuation in Quintessence and Suppressed CMB Anisotropies at Low Multipoles
• Inflation model with lower multipoles of the CMB suppressed
• An inflation model with large variations in spectral index
• Study of a Class of Four Dimensional Nonsingular Cosmological Bounces
• Large-scale power in the CMB and new physics: an analysis using Bayesian model comparison
• Adiabatic and entropy perturbations propagation in a bouncing Universe
• The Earliest Epoch of Reionisation in the Standard $\Lambda$CDM Model
• Can Non-Gaussian Cosmological Models Explain the WMAP's High Optical Depth for Reionization?
• Running of the Scalar Spectral Index and Observational Signatures of Inflation
• Can Cosmic Shear Shed Light on Low Cosmic Microwave Background Multipoles?
• Kinetic SZ effect and CMB polarization from subsonic bulk motions of dense gas clouds in galaxy cluster cores
• Supergravity Minimal Inflation and its Spectral Index Revisited
• Scale of Homogeneity of the Universe from WMAP

Cited by in corpus (152)

• Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution
• Dark Energy Constraints from the Cosmic Age and Supernova
• Inflation Dynamics and Reheating
• Quintom Cosmology: Theoretical implications and observations
• G-Bounce
• Bounce cosmology from $F(R)$ gravity and $F(R)$ bigravity
• Exploring Bouncing Cosmologies with Cosmological Surveys
• Planck intermediate results. LI. Features in the cosmic microwave background temperature power spectrum and shifts in cosmological parameters
• Inflationary perturbations in anisotropic backgrounds and their imprint on the CMB
• A Cosmological Super-Bounce
• The Effective Field Theory of nonsingular cosmology
• A Low CMB Quadrupole from Dark Energy Isocurvature Perturbations
• Bouncing cosmology with future singularity from modified gravity
• Non-singular cosmology in a model of non-relativistic gravity
• Obtaining the CMB anomalies with a bounce from the contracting phase to inflation
• On Perturbations of Quintom Bounce
• A CMB/Dark Energy Cosmic Duality
• CMB multipole measurements in the presence of foregrounds
• Multiple inflation and the WMAP 'glitches'
• Cosmological Perturbations Through a Non-Singular Ghost-Condensate/Galileon Bounce
• Evolution of Metric Perturbations in Quintom Bounce model
• Possible Explanation to Low CMB Quadrupole
• A Model Of Inflationary Cosmology Without Singularity
• Observational issues in loop quantum cosmology
• The Effective Field Theory of nonsingular cosmology: II
• Probing primordial features with future galaxy surveys
• Gravitational waves from the Big Bounce
• CMB Imprints of a Pre-Inflationary Climbing Phase
• Can Universe Experience Many Cycles with Different Vacua ?
• Alignment tests for low CMB multipoles
• Reconstruction of the primordial power spectrum of curvature perturbations using multiple data sets
• Did the Universe loiter at high redshifts ?
• A quantitative analysis of singular inflation with scalar-tensor and modified gravity
• The bouncing cosmology with $F(R)$ gravity and its reconstructing
• Features in Dark Energy Equation of State and Modulations in the Hubble Diagram
• The Reconstruction of $f(\varphi )R$ and Mimetic Gravity from Viable Slow-roll Inflation
• Inflation in string-inspired cosmology and suppression of CMB low multipoles
• Effects of a pre-inflation radiation-dominated epoch to CMB anisotropy
• A Complete Statistical Analysis for the Quadrupole Amplitude in an Ellipsoidal Universe
• Proliferation in Cycle
• Anomalies in the low CMB multipoles and extended foregrounds
• Intermittent null energy condition violations during inflation and primordial gravitational waves
• Quantum noise and large-scale cosmic microwave background anisotropy
• Evidence for bouncing evolution before inflation after BICEP2
• Non-polynomial Lagrangian approach to Regular Black Holes
• Observing the Big Bounce with Tensor Modes in the Cosmic Microwave Background: Phenomenology and Fundamental LQC Parameters
• The Observational Implications of Loop Quantum Cosmology
• The Primordial Perturbation Spectrum from Various Expanding and Contracting Phases
• $\Lambda$CDM Bounce Cosmology without $\Lambda$CDM: the case of modified gravity
• CMB anomalies from an inflationary model in string theory
• Reconstruction of the primordial power spectra with Planck and BICEP2
• Inflation in Oscillating Universe
• Pulsar timing array observations as possible hints for nonsingular cosmology
• Testing quantum gravity effects with latest CMB observations
• Bounce Inflation Cosmology with Standard Model Higgs Boson
• Pre-inflationary primordial perturbations
• Reconstructing the Primordial Spectrum with CMB Temperature and Polarization
• Pre - Inflationary Clues from String Theory ?
• The large scale CMB cut-off and the tensor-to-scalar ratio
• Singular $F(R)$ Cosmology Unifying Early and Late-time Acceleration with Matter and Radiation Domination Era
• Patterns of galaxy spin directions in SDSS and Pan-STARRS show parity violation and multipoles
• Pre-inflation and Trans-Planckian Censorship
• Probing Inflation and Dark Energy with Current Cosmological Observations
• Gauss-Bonnet Cosmology Unifying Late and Early-time Acceleration Eras with Intermediate Eras
• Slow-Roll Inflation Preceded by a Topological Defect Phase à la Chaplygin Gas
• Primordial perturbations with pre-inflationary bounce
• Suppressing CMB low multipoles with ISW effect
• Quantum Cosmology and the Evolution of Inflationary Spectra
• Bounce in GR and higher-order derivative operators
• On the Viability of the Intermediate Inflation Scenario with $F(T)$ Gravity
• The distribution of galaxy rotation in JWST Advanced Deep Extragalactic Survey
• Non-Singular Bounces Catalysed by Dark Energy
• Observational hints on the Big Bounce
• Joint Planck and WMAP Assessment of Low CMB Multipoles
• Cosmological bounces in spatially flat FRW spacetimes in metric f(R) gravity
• Cyclic cosmology in modified gravity
• Smoking guns of a bounce in modified theories of gravity through the spectrum of the gravitational waves
• Design of a Cyclic Multiverse
• Emergent universe scenario and the low CMB multipoles
• Amplification of Curvature Perturbations in Cyclic Cosmology
• Magnetogenesis in bouncing cosmology
• Generating enhanced primordial GWs during inflation with intermittent violation of NEC and diminishment of GW propagating speed
• Revisiting a pre-inflationary radiation era and its effect on the CMB power spectrum
• Obviating PBH overproduction for SIGWs generated by Pulsar Timing Arrays in loop corrected EFT of bounce
• Implication of GW170817 for cosmological bounces
• Pre-inflationary genesis with CMB B-mode polarization
• Brane SUSY Breaking and the Gravitino Mass
• Making waves on CMB power spectrum and inflaton dynamics
• Oscillating modulation to B-mode polarization from varying propagating speed of primordial gravitational waves
• Loop Quantum Cosmology Corrected Gauss-Bonnet Singular Cosmology
• A Multiple Step-like Spectrum of Primordial Perturbation
• Parity violation in pre-inflationary bounce
• Evidence for horizon-scale power from CMB polarization
• Primordial Power Spectrum features and $f_{NL}$ constraints
• Perturbations of bounce inflation scenario from $f(T)$ modified gravity revisited
• Inflation that runs naturally: Gravitational waves and suppression of power at large and small scales
• Multi-fluid potential in the loop cosmology
• Perturbative unitarity and NEC violation in genesis cosmology
• Can the Big Bang Singularity be avoided by a single scalar field?
• Parity-violation in bouncing cosmology
• Phantom Inflation with A Steplike Potential
• PRISM: Sparse Recovery of the Primordial Power Spectrum
• Scalar Perturbations Through Cycles
• Galaxy spin direction distribution in HST and SDSS show similar large-scale asymmetry
• Quantum Gravity, Time, Bounces and Matter
• The interacting multiverse and its effect on the cosmic microwave background
• Probing the origin of our universe through primordial gravitational waves by Ali CMB project
• Regularized-Renormalized-Resummed loop corrected power spectrum of non-singular bounce with Primordial Black Hole formation
• New model of axion monodromy inflation and its cosmological implications
• Tensor Perturbations from Bounce Inflation Scenario in f(Q) Gravity
• Large-scale asymmetry in galaxy spin directions: evidence from the Southern hemisphere
• Analysis of spin directions of galaxies in the DESI Legacy Survey
• Implication of island for inflation and primordial perturbations
• Intricacies of Cosmological bounce in polynomial metric $f(R)$ gravity for flat FLRW spacetime
• New evidence and analysis of cosmological-scale asymmetry in galaxy spin directions
• Low-$\ell$ power suppression in punctuated inflation
• Constraints on Models with a Break in the Primordial Power Spectrum
• Probing signatures of bounce inflation with current observations
• Explaining low l anomalies in the CMB power spectrum with resonant superstring excitations during inflation
• Stochastic collapse
• Effect of the length of inflation on angular TT and TE power spectra in power-law inflation
• Possible Evidence for Planck-Scale Resonant Particle Production during Inflation from the CMB Power Spectrum
• Analysis of $\sim 10^6$ spiral galaxies from four telescopes shows large-scale patterns of asymmetry in galaxy spin directions
• Towards the bounce inflationary gravitational wave
• Curvature bounce in general relativity: background and primordial spectrum
• Reconstructing equation of state of dark energy with principal component analysis
• Viable Inflationary Evolution from Loop Quantum Cosmology Scalar-Tensor Theory
• Perturbations in Bouncing and Cyclic Models, a General Study
• Negative non-Gaussianity as a salvager for PBHs with PTAs in bounce
• Pre-inflation from the multiverse: Can it solve the quadrupole problem in the cosmic microwave background?
• Large-scale asymmetry in the distribution of galaxy spin directions -- analysis and reproduction
• An Axisymmetric Object-Based Search for a Flat Compact Dimension
• On Dark Energy Isocurvature Perturbation
• Analytical approximations for primordial power spectra in a spatially closed emergent universe
• Observational Consequences of Quantum Cosmology
• Type IV singular bouncing cosmology from $f(T)$ Gravity
• Thermal gravitational-wave background in the general pre-inflationary scenario
• Large-scale asymmetry in galaxy spin directions -- analysis of galaxies with spectra in DES, SDSS, and DESI Legacy Survey
• Large Angular Scale CMB Anisotropy from an Excited Initial Mode
• Galaxy spin direction asymmetry in JWST deep fields
• Effects on the CMB from Compactification Before Inflation
• Parity-violating primordial gravitational waves from null energy condition violation
• Emergent universe revisited through the CSL theory
• Populating the landscape in an inhomogeneous universe
• Cosmological evolutions of $F(R)$ nonlinear massive gravity
• Low-$\ell$ CMB from String-Scale SUSY Breaking?
• Testing the Origin of the CMB Large-Angle Correlation Deficit with a Galaxy Imaging Survey
• Do JWST reionization (optical depth) puzzle, cosmological tensions, and CMB anomalies imply Harrison-Zel'dovich spectrum?
• Multipole alignment in the large-scale distribution of spin direction of spiral galaxies
• AdS cycles in eternally inflating background
• Delicate curvature bounces in the no-boundary wave function and in the late universe
• RRR fluctuations from non-singular bounce