no code implementations • 8 Jan 2021 • Weiqiang Yang, Supriya Pan, Eleonora Di Valentino, Olga Mena, Alessandro Melchiorri
Up-to-date cosmological data analyses have shown that \textit{(a)} a closed universe is preferred by the Planck data at more than $99\%$ CL, and \textit{(b)} interacting scenarios offer a very compelling solution to the Hubble constant tension.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology
no code implementations • 1 Dec 2020 • William Giarè, Fabrizio Renzi, Alessandro Melchiorri
Higher-curvature corrections to the effective gravitational action may leave signatures in the spectrum of primordial tensor perturbations if the inflationary energy scale is sufficiently high.
Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology