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Quantum corrections for the cubic Galileon in the covariant language
Ippocratis D. Saltas, Vincenzo Vitagliano
We present for the first time an explicit exposition of quantum corrections within the cubic Galileon theory including the effect of quantum gravity, in a background- and gauge-inv…
Non-standard gravitational waves imply gravitational slip: on the difficulty of partially hiding new gravitational degrees of freedom
Ignacy Sawicki, Ippocratis D. Saltas, Mariele Motta +2
In many generalized models of gravity, perfect fluids in cosmology give rise to gravitational slip. Simultaneously, in very broad classes of such models, the propagation of gravita…
Covariantly Quantum Galileon
Ippocratis D. Saltas, Vincenzo Vitagliano
We derive the 1-loop effective action of the cubic Galileon coupled to quantum-gravitational fluctuations in a background and gauge-independent manner, employing the covariant fram…