In Palatini gravity, quadratic potentials with a linear non-minimal coupling or linear potentials with an αR^2 term can match the ACT spectral index while keeping the tensor-to-scalar ratio below current limits.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
gr-qc 1years
2025 1verdicts
ACCEPT 1representative citing papers
citing papers explorer
-
Palatini Linear Attractors Are Back in ACTion
In Palatini gravity, quadratic potentials with a linear non-minimal coupling or linear potentials with an αR^2 term can match the ACT spectral index while keeping the tensor-to-scalar ratio below current limits.