Abstract LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation
from cosmic background Radiation Detection, is a space mission for primordial cosmology …

We review the landscape of QCD axion models. Theoretical constructions that extend the
window for the axion mass and couplings beyond conventional regions are highlighted and …

Axions and other very light axion-like particles appear in many extensions of the Standard
Model, and are leading candidates to compose part or all of the missing matter of the …

The current status of baryogenesis is reviewed, with an emphasis on electroweak
baryogenesis and leptogenesis. The first detailed studies were carried out for SU (5) grand …

Cosmic inflation provides a window to the highest energy densities accessible in nature, far
beyond those achievable in any realistic terrestrial experiment. Theoretical insights into the …

We propose a model of inflation capable of generating a population of light black holes
(about 10-16–10-14 solar masses) that might account for a significant fraction of the dark …

Ultracompact dark matter (DM) minihalos at masses at and below 10-12 M⊙ arise in axion
DM models where the Peccei-Quinn (PQ) symmetry is broken after inflation. The minihalos …

Abstract If the Peccei-Quinn symmetry associated to an axion has ever been restored after
inflation, axion strings inevitably produce a contribution to the stochastic gravitational wave …

The QCD axion is one of the most compelling candidates to explain the dark matter
abundance of the Universe. With its extremely small mass (≪ 1 eV/c 2), axion dark matter …

In this paper, we revisit the estimation of the spectrum of primordial gravitational waves
originated from inflation, particularly focusing on the effect of thermodynamics in the …