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Quality over Quantity: Optimizing pulsar timing array analysis for stochastic and continuous gravitational wave signals
Lorenzo Speri, Nataliya K. Porayko, Mikel Falxa +4
The search for gravitational waves using Pulsar Timing Arrays (PTAs) is a computationally expensive complex analysis that involves source-specific noise studies. As more pulsars ar…
Constraining the evolution of Newton's constant with slow inspirals observed from spaceborne gravitational-wave detectors
R. Barbieri, S. Savastano, L. Speri +5
Spaceborne gravitational-wave (GW) detectors observing at milli-Hz and deci-Hz frequencies are expected to detect large numbers of quasi-monochromatic signals. The first and second…
Probing Accretion Physics with Gravitational Waves
Lorenzo Speri, Andrea Antonelli, Laura Sberna +4
Gravitational-wave observations of extreme mass ratio inspirals (EMRIs) offer the opportunity to probe the environments of active galactic nuclei (AGN) through the torques that acc…
Modeling transient resonances in extreme-mass-ratio inspirals
Priti Gupta, Lorenzo Speri, Béatrice Bonga +2
Extreme-mass-ratio inspirals are one of the most exciting and promising target sources for space-based interferometers (such as LISA, TianQin). The observation of their emitted gra…
Known unknowns: assessing the impact of instrumental calibration uncertainty on LISA science
Etienne Savalle, Jonathan Gair, Lorenzo Speri +1
The primary scientific results of the future space-based gravitational wave interferometer LISA will come from the parameter inference of a large variety of gravitational wave sour…
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…
The International Pulsar Timing Array second data release: Search for an isotropic Gravitational Wave Background
J. Antoniadis, Z. Arzoumanian, S. Babak +123
We searched for an isotropic stochastic gravitational wave background in the second data release of the International Pulsar Timing Array, a global collaboration synthesizing decad…