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A double take on early and interacting dark energy from JWST
Matteo Forconi, William Giarè, Olga Mena +4
The very first light captured by the James Webb Space Telescope (JWST) revealed a population of galaxies at very high redshifts more massive than expected in the canonical CDM m…
Measuring the reionization optical depth without large-scale CMB polarization
William Giarè, Eleonora Di Valentino, Alessandro Melchiorri
We study the possibility of measuring the optical depth at reionization, , without relying on large-scale Cosmic Microwave Background (CMB) polarization. Our analysis is driven…
Possible Impact of non-Gaussianities on cosmological constraints in neutrino physics
Matteo Forconi, Eleonora Di Valentino, Alessandro Melchiorri +1
The search for non-Gaussian signatures in the Cosmic Microwave Background (CMB) is crucial for understanding the physics of the early Universe. Given the possibility of non-Gaussia…
Do the Early Galaxies observed by JWST disagree with Planck's CMB polarization measurements?
Matteo Forconi, Ruchika, Alessandro Melchiorri +2
The recent observations from the James Webb Space Telescope have led to a surprising discovery of a significant density of massive galaxies with masses of $M \ge 10^{10.5} M_{\odot…
Emergent Universe Model from Modified Heisenberg Algebra
Gabriele Barca, Giovanni Montani, Alessandro Melchiorri
We provide an Emergent Universe picture in which the fine-tuning on the initial conditions is replaced by cut-off physics, implemented on a semiclassical level when referred to the…