3 papers
astro-ph.CO2024
Natural Inflation with Exponentially Small Tensor-To-Scalar Ratio
Dario L. Lorenzoni, David I. Kaiser, Evan McDonough
We demonstrate that "natural inflation", also known as "axion inflation", can be compatible with Planck 2018 measurements of the cosmic microwave background, while predicting an ex…
hep-ph2023
Primordial Black Holes with QCD Color Charge
Elba Alonso-Monsalve, David I. Kaiser
We describe a realistic mechanism whereby black holes with significant QCD color charge could have formed during the early universe. Primordial black holes (PBHs) could make up a s…
hep-ph2023
Debye Screening of Non-Abelian Plasmas in Curved Spacetimes
Elba Alonso-Monsalve, David I. Kaiser
Decades of analytic and computational work have demonstrated that a charge immersed in a hot plasma is screened. For both Abelian and non-Abelian interactions, the characteristic s…