[HTML][HTML] 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 …
[HTML][HTML] 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 …
about the fundamental theory of nature at play in the extreme gravity regime, where the …
[HTML][HTML] 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 …
Recent gravitational wave observation by pulsar timing arrays and primordial black holes: The importance of non-Gaussianities
We study whether the signal seen by pulsar timing arrays (PTAs) may originate from
gravitational waves (GWs) induced by large primordial perturbations. Such perturbations …
gravitational waves (GWs) induced by large primordial perturbations. Such perturbations …
Primordial black holes
A Escrivà, F Kühnel, Y Tada - Black Holes in the Era of Gravitational-Wave …, 2024 - Elsevier
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[HTML][HTML] Scalar induced gravitational waves review
G Domènech - Universe, 2021 - mdpi.com
We provide a review on the state-of-the-art of gravitational waves induced by primordial
fluctuations, so-called induced gravitational waves. We present the intuitive physics behind …
fluctuations, so-called induced gravitational waves. We present the intuitive physics behind …
Footprints of the QCD crossover on cosmological gravitational waves at pulsar timing arrays
G Franciolini, D Racco, F Rompineve - Physical Review Letters, 2024 - APS
Pulsar timing arrays (PTAs) have reported evidence for a stochastic gravitational wave (GW)
background at nanohertz frequencies, possibly originating in the early Universe. We show …
background at nanohertz frequencies, possibly originating in the early Universe. We show …
Implications for the non-Gaussianity of curvature perturbation from pulsar timing arrays
The recently released data by pulsar timing array (PTA) collaborations present strong
evidence for a stochastic signal consistent with a gravitational-wave background. Assuming …
evidence for a stochastic signal consistent with a gravitational-wave background. Assuming …
The second data release from the European Pulsar Timing Array: V. Implications for massive black holes, dark matter and the early Universe
J Antoniadis, P Arumugam, S Arumugam… - arXiv preprint arXiv …, 2023 - arxiv.org
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA)
collaborations have measured a low-frequency common signal in the combination of their …
collaborations have measured a low-frequency common signal in the combination of their …
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 …