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An Analytical Study of the Primordial Gravitational-Wave-Induced Contribution to the Large-Scale Structure of the Universe
Pritha Bari, Daniele Bertacca, Nicola Bartolo +3
The imprint of gravitational waves (GWs) on large-scale structures (LSS) is a useful and promising way to detect or to constrain them. Tensor fossils have been largely studied in t…
Updated constraints on amplitude and tilt of the tensor primordial spectrum
Giacomo Galloni, Nicola Bartolo, Sabino Matarrese +3
We have taken a comprehensive approach to update the limits on the tensor-to-scalar ratio () and the tensor spectral index (), using 10 datasets from the BICEP/Keck Array 2…
The Dipole of the Astrophysical Gravitational-Wave Background
Lorenzo Valbusa Dall'Armi, Angelo Ricciardone, Daniele Bertacca
One of the main pillars of the ΛCDM model is the Cosmological Principle, which states that our Universe is statistically isotropic and homogeneous on large scales. Here we test thi…
New Horizons for Fundamental Physics with LISA
K. G. Arun, Enis Belgacem, Robert Benkel +138
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 gravitatio…
Cosmology with the Laser Interferometer Space Antenna
Pierre Auclair, David Bacon, Tessa Baker +177
The Laser Interferometer Space Antenna (LISA) has two scientific objectives of cosmological focus: to probe the expansion rate of the universe, and to understand stochastic gravita…
Detectability and parameter estimation of stellar origin black hole binaries with next generation gravitational wave detectors
Mauro Pieroni, Angelo Ricciardone, Enrico Barausse
We consider stellar-origin black hole binaries, which are among the main astrophysical sources for next generation gravitational wave (GW) detectors such as the Einstein Telescope…
Test of the Statistical Isotropy of the Universe using Gravitational Waves
Giacomo Galloni, Nicola Bartolo, Sabino Matarrese +3
Since WMAP and Planck some anomalous features appeared in the Cosmic Microwave Background (CMB) large-angle anisotropy, the so-called anomalies. One of these is the hemispherical p…
Probing Anisotropies of the Stochastic Gravitational Wave Background with LISA
Nicola Bartolo, Daniele Bertacca, Robert Caldwell +19
We investigate the sensitivity of the Laser Interferometer Space Antenna (LISA) to the anisotropies of the Stochastic Gravitational Wave Background (SGWB). We first discuss the mai…