cosmological collider 1heavy fields 1inflation 1mixed propagators 1non-gaussianity 1squeezed bispectrum 1
From the 1 of 2 linked papers with an AI index.
2 papers
hep-th2026
Cosmological Collider Signals at Strong Mixing
Xiangwei Wang, Yi Wang, Yunke Zhao
The paper analyzes cosmological collider signals in a two‑field inflation model with constant‑turn derivative mixing, using exact hypergeometric solutions and Mellin‑Barnes techniq…
gr-qc2024
Geodesic completeness, cosmological bounces and inflation
Sebastian Garcia-Saenz, Junjie Hua, Yunke Zhao
The question of geodesic completeness of cosmological spacetimes has recently received renewed scrutiny. A particularly interesting result is the observation that the well-known Bo…