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astro-ph.CO2026
Inflationary interpretation of the gravitational-wave signal in the European Pulsar Timing Array DR2 with constraints
Philippe Turgeon, Chiara Caprini, Anton Chudaykin +5
The second data release of the European Pulsar Timing Array (EPTA) collaboration provides evidence for the presence of a gravitational-wave (GW) background. In this work, we explor…
astro-ph.CO2026
Late-time reconstruction of non-minimally coupled gravity with a smoothness prior
Gen Ye, Anton Chudaykin, Camille Bonvin +1
We present a non-parametric, model-independent reconstruction of the cosmological background and perturbation dynamics in non-minimally coupled theories of gravity. Within the Effe…