2 papers
hep-th2025
Graviton Scattering on Gravitational Atoms: Relic Graviton Shot Noise
Benjamin Avila-Lopez, Richard MacKenzie, Fernando Mendez +1
We study the scattering of a graviton on a gravitational atom. By gravitational atom we mean a quantum mechanical system of a gravitational (bound) state of two massive particles,…
hep-th2023
Quintessence and the Higgs Portal in the Carroll limit
B. Avila, J. Gamboa, R. B. MacKenzie +2
A cosmological model based on two scalar fields is proposed. The first of these, , has mass , while the second, , is massless. The pair are coupled through a ``Higgs porta…