2 papers
hep-ph2026
Superheavy Q-Balls and Cosmology
J. McDonald
We propose a model for the cosmological formation of superheavy Q-Balls in the mass range to . The model is based on a hidden sector sca…
hep-ph2025
Unitarity-Conserving Non-Minimally Coupled Inflation and the ACT Spectral Index
J. McDonald
The Atacama Cosmology Telescope (ACT) collaboration has reported a scalar spectral index . This is substantially larger than the classical prediction of…