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gr-qc2026
Post-Newtonian Constraints on Scalar-Tensor Gravity
Alexandros Karam, Samuel Sánchez López, José Jaime Terente Díaz
Solar-System constraints on a general scalar-tensor theory with generic non-minimal coupling function, non-canonical kinetic function, and scalar potential, are investigated in bot…
gr-qc2023
Explaining the Hubble tension and dark energy from alpha-attractors
Lucy Brissenden, Konstantinos Dimopoulos, Samuel Sánchez López
A compelling unified model of dark energy and early dark energy (EDE) is presented, using a scalar field with an exponential runaway potential, in the context of alpha-attractors.…