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Spinning spectral sirens: Robust cosmological measurement using mass-spin correlations in the binary black hole population
Hui Tong, Maya Fishbach, Eric Thrane
Gravitational waves from compact binary mergers provide a direct measurement of luminosity distance, which, in combination with redshift information, serves as a cosmological probe…
Searching for anisotropy in the distribution of binary black hole mergers
Ethan Payne, Sharan Banagiri, Paul Lasky +1
The standard model of cosmology is underpinned by the assumption of the statistical isotropy of the Universe. Observations of the cosmic microwave background, galaxy distributions,…
Standard-siren cosmology using gravitational waves from binary black holes
Zhi-Qiang You, Xing-Jiang Zhu, Gregory Ashton +2
Gravitational-wave astronomy provides a unique new way to study the expansion history of the Universe. In this work, we investigate the impact future gravitational-wave observatori…
Detectability of Gravitational Waves from High-Redshift Binaries
Pablo A. Rosado, Paul D. Lasky, Eric Thrane +3
Recent non-detection of gravitational-wave backgrounds from pulsar timing arrays casts further uncertainty on the evolution of supermassive black hole binaries. We study the capabi…
Gravitational-wave cosmology across 29 decades in frequency
Paul D. Lasky, Chiara M. F. Mingarelli, Tristan L. Smith +24
Quantum fluctuations of the gravitational field in the early Universe, amplified by inflation, produce a primordial gravitational-wave background across a broad frequency band. We…
Statistical properties of astrophysical gravitational-wave backgrounds
Duncan Meacher, Eric Thrane, Tania Regimbau
We investigate how a stochastic gravitational wave background, produced from a discrete set of astrophysical sources, differs from an idealised model consisting of an isotropic, un…
Parameter Estimation in Searches for the Stochastic Gravitational-Wave Background
Vuk Mandic, Eric Thrane, Stefanos Giampanis +1
The stochastic gravitational-wave background (SGWB) is expected to arise from the superposition of many independent and unresolved gravitational-wave signals of either cosmological…