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gr-qc2009★ 723 cited
Generalized Galileons: All scalar models whose curved background extensions maintain second-order field equations and stress tensors
C. Deffayet, S. Deser, G. Esposito-Farese
We extend to curved backgrounds all flat-space scalar field models that obey purely second-order equations, while maintaining their second-order dependence on both field and metric…
gr-qc2009★ 131 cited
Reconstructing the Distortion Function for Nonlocal Cosmology
C. Deffayet, R. P. Woodard
We consider the cosmology of modified gravity models in which Newton's constant is distorted by a function of the inverse d'Alembertian acting on the Ricci scalar. We derive a tech…