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Search for a gravitational wave background from primordial black hole binaries using data from the first three LIGO-Virgo-KAGRA observing runs
Tore Boybeyi, Sebastien Clesse, Sachiko Kuroyanagi +1
Using the cross-correlation data from the first three observing runs of the LIGO-Virgo-KAGRA Collaboration, we search for a gravitational-wave background (GWB) from primordial blac…
Detection Prospects of Gravitational Waves from SU(2) Axion Inflation
Charles Badger, Hannah Duval, Tomohiro Fujita +3
We study detection prospects of a gravitational-wave background (GWB) sourced by SU(2) gauge fields considering all possible observational constraints. More precisely, we consider…
LVK constraints on PBHs from stochastic gravitational wave background searches
Alba Romero-Rodríguez, Sachiko Kuroyanagi
Primordial black holes (PBHs) may have left an imprint in the form of a stochastic gravitational wave background (SGWB) throughout their evolution in the history of the Universe. T…
Investigating cosmic histories with a stiff era through Gravitational Waves
Hannah Duval, Sachiko Kuroyanagi, Alberto Mariotti +2
We investigate the potential of gravitational-wave background searches to constrain cosmic histories characterised by a stiff equation of state, preceded by a period of matter domi…
Gravitational waves from cosmic strings in LISA: reconstruction pipeline and physics interpretation
Jose J. Blanco-Pillado, Yanou Cui, Sachiko Kuroyanagi +6
We initiate the LISA template databank for stochastic gravitational wave backgrounds sourced by cosmic strings. We include two templates, an analytical template, which enables more…