Cosmology with the laser interferometer space antenna

P Auclair, D Bacon, T Baker, T Barreiro… - Living Reviews in …, 2023 - Springer
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 …

New horizons for fundamental physics with LISA

KG Arun, E Belgacem, R Benkel, L Bernard… - Living Reviews in …, 2022 - Springer
Abstract The Laser Interferometer Space Antenna (LISA) has the potential to reveal wonders
about the fundamental theory of nature at play in the extreme gravity regime, where the …

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 …

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 …

Primordial black holes

A Escrivà, F Kühnel, Y Tada - Black Holes in the Era of Gravitational-Wave …, 2024 - Elsevier
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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 …

Cosmic superstrings revisited in light of NANOGrav 15-year data

J Ellis, M Lewicki, C Lin, V Vaskonen - Physical Review D, 2023 - APS
We analyze cosmic superstring models in light of NANOGrav 15-year pulsar timing data. A
good fit is found for a string tension G μ∼ 10-12–10-11 and a string intercommutation …

[HTML][HTML] LISA definition study report

M Colpi, K Danzmann, M Hewitson… - arxiv preprint arxiv …, 2024 - pierreauclair.org
Abstract The Laser Interferometer Space Antenna (LISA) is the first scientific endeavour to
detect and study gravitational waves from space. LISA will survey the sky for Gravitational …

New physics from the polarized light of the cosmic microwave background

E Komatsu - Nature Reviews Physics, 2022 - nature.com
The current cosmological model requires new physics beyond the standard model of
elementary particles and fields, such as dark matter and dark energy. Their nature is …