Blue perturbation spectra from inflation

Abstract

We investigate inflationary models leading to density perturbations with a spectral index $n>1$ (``blue spectra"). These perturbation spectra may be useful to simultaneously account for both the amount of ultra large-scale power required to fit cosmic microwave background anisotropies, such as those measured by COBE, and that required to give bulk motions and structures on the $\sim 50h^{-1}$ Mpc scale.

12 pages, plain TEX

References in corpus (10)

• Hybrid Inflation
• Natural Inflation: Particle Physics Models, Power Law Spectra for Large Scale Structure, and Constraints from COBE
• COBE, Gravitational Waves, Inflation and Extended Inflation
• Cosmic Microwave Background Probes Models of Inflation
• Perturbation Spectra from Intermediate Inflation
• Structure Formation with Cold + Hot Dark Matter
• Double Field Inflation
• Density Perturbations,Gravity Waves and the Cosmic Microwave Background
• The gravitational wave contribution to CMB anisotropies and the amplitude of mass fluctuations from COBE results
• Microwave Anisotropies in the Light of COBE

Cited by in corpus (27)

• Particle Physics Models of Inflation and the Cosmological Density Perturbation
• False Vacuum Inflation with Einstein Gravity
• Reconstructing the Inflaton Potential --- an Overview
• Density Perturbations and Black Hole Formation in Hybrid Inflation
• Black Hole Relics and Inflation: Limits on Blue Perturbation Spectra
• Dilaton Production in String Cosmology
• The Cosmic Microwave Background and Particle Physics
• Constraints from Inflation on Scalar-Tensor Gravity Theories
• More varieties of hybrid inflation
• Constraints on flat cosmologies with tracking Quintessence from Cosmic Microwave Background observations
• Running of the Scalar Spectral Index from Inflationary Models
• Blue Perturbation Spectra from Hybrid Inflation with Canonical Supergravity
• Mirror matter and primordial black holes
• An Inflationary Model with an Exact Perturbation Spectrum
• The spectrum of curvature perturbations from hybrid inflation
• Hybrid Inflation with Quasi-canonical Supergravity
• Gravitational Waves and Primordial Black Holes from Supersymmetric Hybrid Inflation
• Large-scale Perturbations from the Waterfall Field in Hybrid Inflation
• False Vacuum Inflation with a Quartic Potential
• Conditions for Successful Extended Inflation
• Pre-big bang model has Planck problem
• Searching for blue in the dark
• Blue spectra and induced formation of primordial black holes
• Pitfalls of a power-law parameterization of the primordial power spectrum for Primordial Black Hole formation
• Tensor to scalar ratio of perturbation amplitudes and inflaton dynamics
• The roughness of the last scattering surface
• Interpreting Large Scale Structure Observations