87 citations · 354 across the 10 of their papers we have counts for
4 papers · 1 filter
Harmonic Hybrid Inflation
Federico Carta, Nicole Righi, Yvette Welling +1
We present a mechanism for realizing hybrid inflation using two axion fields with a purely non-perturbatively generated scalar potential. The structure of scalar potential is highl…
Orbital Inflation: inflating along an angular isometry of field space
Ana Achucarro, Yvette Welling
The simplicity of the CMB data, so well described by single-field inflation, raises the question whether there might be an equally simple multi-field realization consistent with th…
Hypernatural inflation
Andrei Linde, Dong-Gang Wang, Yvette Welling +2
We constructed a model of natural inflation in the context of -attractor supergravity, in which both the dilaton field and the axion field are light during inflation, and the in…
Universality of multi-field -attractors
Ana Achúcarro, Renata Kallosh, Andrei Linde +2
We study a particular version of the theory of cosmological -attractors with , in which both the dilaton (inflaton) field and the axion field are light during inflation.…