3 papers
astro-ph.CO2025
General Constraints on Isocurvature from the CMB and Ly- Forest
Matthew R. Buckley, Peizhi Du, Nicolas Fernandez +1
Current cosmological data are well-described by the Lambda-Cold Dark Matter (CDM) model, which assumes adiabatic initial conditions for the primordial density perturbations. Th…
astro-ph.CO2024
DESI Dark Energy Time Evolution is Recovered by Cosmologically Coupled Black Holes
Kevin S. Croker, Gregory Tarlé, Steve P. Ahlen +4
Recent baryon acoustic oscillation (BAO) measurements by the Dark Energy Spectroscopic Instrument (DESI) provide evidence that dark energy (DE) evolves with time, as parameterized…
hep-ph2024
Force-feeding Supermassive Black Holes with Dissipative Dark Matter
Matthew R. Buckley, Nicolas Fernandez
Supermassive black holes with masses have been discovered by JWST at high redshifts (). It is difficult to explain such objects as the result of ac…