Cosmological phase transitions: From perturbative particle physics to gravitational waves

P Athron, C Balázs, A Fowlie, L Morris, L Wu - Progress in Particle and …, 2024 - Elsevier
Gravitational waves (GWs) were recently detected for the first time. This revolutionary
discovery opens a new way of learning about particle physics through GWs from first-order …

Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies

E Abdalla, GF Abellán, A Aboubrahim, A Agnello… - Journal of High Energy …, 2022 - Elsevier
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 …

[HTML][HTML] The NANOGrav 15 yr data set: Evidence for a gravitational-wave background

G Agazie, A Anumarlapudi, AM Archibald… - The Astrophysical …, 2023 - iopscience.iop.org
We report multiple lines of evidence for a stochastic signal that is correlated among 67
pulsars from the 15 yr pulsar timing data set collected by the North American Nanohertz …

The second data release from the European Pulsar Timing Array-III. Search for gravitational wave signals

J Antoniadis, P Arumugam, S Arumugam… - Astronomy & …, 2023 - aanda.org
We present the results of the search for an isotropic stochastic gravitational wave
background (GWB) at nanohertz frequencies using the second data release of the European …

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 …

The second data release from the European Pulsar Timing Array-I. The dataset and timing analysis

J Antoniadis, S Babak, ASB Nielsen, CG Bassa… - Astronomy & …, 2023 - aanda.org
Pulsar timing arrays offer a probe of the low-frequency gravitational wave spectrum (1–100
nHz), which is intimately connected to a number of markers that can uniquely trace the …

Science with the Einstein Telescope: a comparison of different designs

M Branchesi, M Maggiore, D Alonso… - … of Cosmology and …, 2023 - iopscience.iop.org
Abstract The Einstein Telescope (ET), the European project for a third-generation
gravitational-wave detector, has a reference configuration based on a triangular shape …

What is the source of the PTA GW signal?

J Ellis, M Fairbairn, G Franciolini, G Hütsi, A Iovino… - Physical Review D, 2024 - APS
The most conservative interpretation of the nHz stochastic gravitational wave background
(SGWB) discovered by NANOGrav and other pulsar timing array (PTA) collaborations is …

[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 …