High-redshift JWST Observations and Primordial Non-Gaussianity
Matteo Biagetti, Gabriele Franciolini, Antonio Riotto
Abstract
Abstract Several bright and massive galaxy candidates at high redshifts have been recently observed by the James Webb Space Telescope. Such early massive galaxies seem difficult to reconcile with standard Λ cold dark matter model predictions. We discuss under which circumstances such observed massive galaxy candidates can be explained by introducing primordial non-Gaussianity in the initial conditions of cosmological perturbations.
Topics & Concepts
PhysicsAstrophysicsGalaxyRedshiftJames Webb Space TelescopeAstronomyNon-GaussianityDark matterGalaxy formation and evolutionCold dark matterCosmologyCosmic microwave backgroundQuantum mechanicsAnisotropyGalaxies: Formation, Evolution, PhenomenaCosmology and Gravitation TheoriesAstronomy and Astrophysical Research