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gr-qc2025
Density contrast in the scalar-tensor extension of non-metricity gravity
Ganesh Subramaniam, Avik De, Jackson Levi Said
We present a novel derivation of scalar cosmological perturbations in the scalar-tensor extension of non-metricity gravity, where the non-metricity scalar is non-minimally coup…
gr-qc2025★ 1 cited
Cosmological scalar perturbations in Horndeski-like gravity
Dani de Boe, Fabiano F. Santos, Jackson Levi Said
Scalar-tensor theories are promising dark energy models. A promising scalar-tensor theory, called Horndeski-like gravity, is coming from the application of the Horndeski gravity in…