ACT, SPT, and chaotic inflation

Renata Kallosh, Andrei Linde, Diederik Roest

公開日: 2025/3/25

Abstract

We show that the simplest generalization of the chaotic inflation model $\tfrac12 {m^{2}\phi^{2}}$ with nonminimal coupling to gravity $(1+\phi) R$ provides a good match to the results of the latest data release of the Atacama Cosmology Telescope, with $r \approx10^{-2}$.