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hep-th2024
A Minimal Axio-dilaton Dark Sector
Adam Smith, Maria Mylova, Philippe Brax +3
In scalar-tensor theories it is the two-derivative sigma-model interactions that like to compete at low energies with the two-derivative interactions of General Relativity (GR) $\u…
hep-th2024
CMB Implications of Multi-field Axio-dilaton Cosmology
Adam Smith, Maria Mylova, Philippe Brax +3
Axio-dilaton models are among the simplest scalar-tensor theories that contain the two-derivative interactions that naturally compete at low energies with the two-derivative inter-…