Neural Post-Einsteinian Test of General Relativity with the Third Gravitational-Wave Transient Catalog
arXiv:2510.02515 · doi:10.1103/n1pb-jt1n
Abstract
Gravitational waves (GWs) from compact binaries are excellent probes of gravity in the strong- and dynamical-field regimes. We report a test of general relativity (GR) with the third GW Transient Catalog (GWTC-3) plus a few O4 events using the recently developed neural post-Einsteinian framework, both on individual events and at the population level through hierarchical modeling. We find no significant violation of GR and place a constraint that, for the first time, efficiently covers non-GR theories characterized by not only post-Newtonian deviations but also those beyond under the same theory-agnostic framework.
9+6 pages, 4 figures, text and references updated, v2 matches version published in PRL
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