Development of generic no-scale inflation

Abstract

We develop generalized no-scale supergravity models of inflation, and then study the corresponding cosmological predictions as well as the formation of primordial black holes (PBHs) and scalar-induced gravitational waves (SIGWs). With a new parameter $0<a\le 1$, the generalized no-scale supergravity provides the continuous connections among the generic no-scale supergravity from string theory compactifications. The resulting prediction of the CMB, spectrum index $n_s$, and tensor-to-scalar ratio $r$ can be highly consistent with the latest Planck/BICEP/Keck Array observations. Notably, the models with $a\ne 1$ give a smaller ratio $r\le 10^{-3}$, which is flexible even under the anticipated tighter observational constraints at the future experiments. Additionally, these models have the potential to generate a broad-band stochastic gravitational wave background, and thus explain the NANOGrav 15yr signal. Furthermore, they predict the formation of PBHs with various mass scales, which could account for a significant portion of dark matter relic density in the Universe.

19 pages, 12 figures, 2 tables. This version matches the published version in JCAP

References in corpus (84)

• Planck 2018 results. X. Constraints on inflation
• TianQin: a space-borne gravitational wave detector
• The Cosmic Microwave Background Spectrum from the Full COBE/FIRAS Data Set
• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• New cosmological constraints on primordial black holes
• BICEP / Keck XIII: Improved Constraints on Primordial Gravitational Waves using Planck, WMAP, and BICEP/Keck Observations through the 2018 Observing Season
• Limits on the Macho Content of the Galactic Halo from the EROS-2 Survey of the Magellanic Clouds
• Gravitational-wave sensitivity curves
• Superconformal Inflationary $\alpha$-Attractors
• Microlensing constraints on primordial black holes with the Subaru/HSC Andromeda observation
• Cosmic microwave background limits on accreting primordial black holes
• The merger rate of primordial-black-hole binaries
• Horizon crossing and inflation with large η
• Primordial black hole dark matter from single field inflation
• Gravitational Waves from Primordial Black Hole Mergers
• Probing Ultralight Bosons with Binary Black Holes
• CMB bounds on disk-accreting massive Primordial Black Holes
• Starobinsky-like Inflationary Models as Avatars of No-Scale Supergravity
• Improved limits on the tensor-to-scalar ratio using BICEP and Planck
• No-Scale Supergravity Realization of the Starobinsky Model of Inflation
• Inflationary primordial black holes for the LIGO gravitational wave events and pulsar timing array experiments
• Dark Matter Triggers of Supernovae
• Primordial Black Holes from a tiny bump/dip in the Inflaton potential
• Improved Estimates of Cosmological Perturbations
• Primordial Black Holes from Inflation with Nonminimal Derivative Coupling
• Primordial black holes and secondary gravitational waves from k/G inflation
• Resonant multiple peaks in the induced gravitational waves
• No massive black holes in the Milky Way halo
• Primordial black holes and secondary gravitational waves from inflationary model with a non-canonical kinetic term
• Inflationary Perturbations in No-Scale Theories
• Primordial black holes and stochastic gravitational wave background from inflation with a noncanonical spectator field
• Hybrid $\alpha$-attractors, primordial black holes and gravitational wave backgrounds
• Constraints on primordial curvature perturbations from primordial black hole dark matter and secondary gravitational waves
• BICEP/Keck Constraints on Attractor Models of Inflation and Reheating
• Revisiting small-scale fluctuations in $\alpha$-attractor models of inflation
• Primordial black holes from single-field inflation: a fine-tuning audit
• Generalized Non-Minimal Derivative Coupling: Application to Inflation and Primordial Black Hole Production
• Primordial black holes and secondary gravitational waves from natural inflation
• Primordial Black Hole Formation in Starobinsky's Linear Potential Model
• Primordial Black Hole Formation in Non-Minimal Curvaton Scenario
• Primordial black holes and scalar induced gravitational waves from the $E$ model with a Gauss-Bonnet term
• Building Models of Inflation in No-Scale Supergravity
• Primordial black holes from null energy condition violation during inflation
• Microlensing optical depth and event rate toward the Large Magellanic Cloud based on 20 years of OGLE observations
• Primordial black holes and scalar-induced gravitational waves from the generalized Brans-Dicke theory
• Non-Gaussianity and Secondary Gravitational Waves from Primordial Black Holes Production in $\alpha$-attractor Inflation
• Polynomial $\alpha$-attractors
• Unified No-Scale Attractors
• Exploring the NANOGrav Signal and Planet-mass Primordial Black Holes through Higgs Inflation
• Gravitational Waves and Primordial Black Holes from Supersymmetric Hybrid Inflation
• Primordial black holes and gravitational waves from nonminimally coupled supergravity inflation
• Primordial Black Holes and Gravitational Waves in Hybrid Inflation with Chaotic Potentials
• Primordial black holes ensued from exponential potential and coupling parameter in nonminimal derivative inflation model
• No-Scale Inflation
• Primordial black holes and secondary gravitational waves from generalized power-law non-canonical inflation with quartic potential
• Primordial black holes and induced gravitational waves from double-pole inflation
• Reconstruction of extended inflationary potentials for attractors
• Successful Higgs inflation from combined nonminimal and derivative couplings
• Starobinsky Inflation from String Theory?
• Primordial Black Holes and Gravitational Waves in Multi-Axion-Chern-Simons Inflation
• Phenomenology and Cosmology of No-Scale Attractor Models of Inflation
• Generation of primordial black holes from an inflation model with modified dispersion relation
• Primordial black holes and scalar-induced gravitational waves from the perturbations on the inflaton potential in peak theory
• $\alpha$-attractor inflation: Models and predictions
• Do we need fine-tuning to create primordial black holes?
• Testing supersymmetric Higgs inflation with non-Gaussianity
• Constraints on ultra-slow-roll inflation from the third LIGO-Virgo observing run
• Sudden braking and turning with a two-field potential bump: primordial black hole formation
• Scalar induced gravitational waves from Chern-Simons gravity during inflation era
• $\alpha$-attractor from superconformal E-models in brane inflation
• Starobinsky inflation with a quadratic Weyl tensor
• Gauging Fine-Tuning
• No-Scale $\mu$-Term Hybrid Inflation
• Resonant amplification of curvature perturbations in inflation model with periodical derivative coupling
• New generalization of the simplest $\alpha$-attractor $T$ model
• Primordial Black Holes Dark Matter and Secondary Gravitational Waves from Warm Higgs-G Inflation
• Natural Higgs Inflation, Gauge Coupling Unification, and Neutrino Masses
• The Renormalizable Three-Term Polynomial Inflation with Large Tensor-to-Scalar Ratio
• Starobinsky-Type B-L Higgs Inflation Leading Beyond MSSM
• An analytical approximation of the evolution of the primordial curvature perturbation in the ultraslow-roll inflation
• Primordial black holes and scalar-induced gravitational waves from the polynomial attractor model
• A Simple No-Scale Model of Modulus Fixing and Inflation
• Bayesian analysis for a class of $\alpha$-attractor inflationary models
• Generic no-scale inflation inspired from string theory compactifications