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astro-ph.CO2024
Phenomenology of Horndeski Gravity under Positivity Bounds
Dani de Boe, Gen Ye, Fabrizio Renzi +3
A set of conditions that any effective field theory needs to satisfy in order to allow for the existence of a viable UV completion has recently gained attention in the cosmological…
astro-ph.CO2024
Spherical collapse and halo abundance in shift-symmetric Galileon theory
Inês S. Albuquerque, Noemi Frusciante, Francesco Pace +1
We present the nonlinear growth of bound cosmological structures using the spherical collapse approach in the shift-symmetric Galileon theories. In particular, we focus on the clas…