Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies
Abstract The standard Λ Cold Dark Matter (ΛCDM) cosmological model provides a good
description of a wide range of astrophysical and cosmological data. However, there are a …
description of a wide range of astrophysical and cosmological data. However, there are a …
[HTML][HTML] String cosmology: from the early universe to today
M Cicoli, JP Conlon, A Maharana, S Parameswaran… - Physics Reports, 2024 - Elsevier
We review applications of string theory to cosmology, from primordial times to the present-
day accelerated expansion. Starting with a brief overview of cosmology and string …
day accelerated expansion. Starting with a brief overview of cosmology and string …
The NANOGrav 15 yr data set: Search for signals from new physics
A Afzal, G Agazie, A Anumarlapudi… - The Astrophysical …, 2023 - iopscience.iop.org
The 15 yr pulsar timing data set collected by the North American Nanohertz Observatory for
Gravitational Waves (NANOGrav) shows positive evidence for the presence of a low …
Gravitational Waves (NANOGrav) shows positive evidence for the presence of a low …
[HTML][HTML] Inflationary interpretation of the stochastic gravitational wave background signal detected by pulsar timing array experiments
S Vagnozzi - Journal of High Energy Astrophysics, 2023 - Elsevier
Various pulsar timing array (PTA) experiments (NANOGrav, EPTA, PPTA, CPTA, including
data from InPTA) very recently reported evidence for excess red common-spectrum signals …
data from InPTA) very recently reported evidence for excess red common-spectrum signals …
Cosmology with the laser interferometer space antenna
Abstract The Laser Interferometer Space Antenna (LISA) has two scientific objectives of
cosmological focus: to probe the expansion rate of the universe, and to understand …
cosmological focus: to probe the expansion rate of the universe, and to understand …
Improved limits on the tensor-to-scalar ratio using BICEP and data
M Tristram, AJ Banday, KM Górski, R Keskitalo… - Physical Review D, 2022 - APS
We present constraints on the tensor-to-scalar ratio r using a combination of BICEP/Keck
2018 (BK18) and Planck PR4 data allowing us to fit for r consistently with the six parameters …
2018 (BK18) and Planck PR4 data allowing us to fit for r consistently with the six parameters …
Probing cosmic inflation with the LiteBIRD cosmic microwave background polarization survey
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 …
from cosmic background Radiation Detection, is a space mission for primordial cosmology …
Cosmological background interpretation of pulsar timing array data
DG Figueroa, M Pieroni, A Ricciardone… - Physical Review Letters, 2024 - APS
We discuss the interpretation of the detected signal by pulsar timing array (PTA)
observations as a gravitational wave background of cosmological origin. We combine …
observations as a gravitational wave background of cosmological origin. We combine …
PBHs and GWs from 𝕋2-inflation and NANOGrav 15-year data
SAH Mansoori, F Felegary, A Talebian… - Journal of Cosmology …, 2023 - iopscience.iop.org
In this paper, we propose a novel mechanism in Bbb T 2-inflation to enhance the power
spectrum large enough to seed primordial black holes (PBHs) formation. To accomplish this …
spectrum large enough to seed primordial black holes (PBHs) formation. To accomplish this …
Cosmological parameters derived from the final Planck data release (PR4)
M Tristram, AJ Banday, M Douspis, X Garrido… - Astronomy & …, 2024 - aanda.org
We present cosmological parameter constraints using maps from the last Planck data
release (PR4). In particular, we detail an upgraded version of the cosmic microwave …
release (PR4). In particular, we detail an upgraded version of the cosmic microwave …