251 citations · 506 across the 5 of their papers we have counts for
7 papers
Combining pre- and post-recombination new physics to address cosmological tensions: case study with varying electron mass and sign-switching cosmological constant
Yo Toda, William Giarè, Emre Özülker +2
It has recently been argued that the Hubble tension may call for a combination of both pre- and post-recombination new physics. Motivated by these considerations, we provide one of…
Seven hints that early-time new physics alone is not sufficient to solve the Hubble tension
Sunny Vagnozzi
The Hubble tension has now grown to a level of significance which can no longer be ignored and calls for a solution which, despite a huge number of attempts, has so far eluded us.…
The challenge of ruling out inflation via the primordial graviton background
Sunny Vagnozzi, Abraham Loeb
Recent debates around the testability of the inflationary paradigm raise the question of how to model-independently discriminate it from competing scenarios. We argue that a detect…
Updated neutrino mass constraints from galaxy clustering and CMB lensing-galaxy cross-correlation measurements
Isabelle Tanseri, Steffen Hagstotz, Sunny Vagnozzi +2
We revisit cosmological constraints on the sum of the neutrino masses from a combination of full-shape BOSS galaxy clustering [] data and measurements of the cross-cor…
Cosmological direct detection of dark energy: non-linear structure formation signatures of dark energy scattering with visible matter
Fulvio Ferlito, Sunny Vagnozzi, David F. Mota +1
We consider the recently proposed possibility that dark energy (DE) and baryons may scatter through a pure momentum exchange process, leaving the background evolution unaffected. E…
Superradiance evolution of black hole shadows revisited
Rittick Roy, Sunny Vagnozzi, Luca Visinelli
Black hole (BH) shadows can be used to probe new physics in the form of ultra-light particles via the phenomenon of superradiant instability. By directly affecting the BH mass and…