249 citations · 1.3k across the 28 of their papers we have counts for
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gr-qc2015★ 27 cited
Dynamics of non-minimally coupled perfect fluids
Dario Bettoni, Stefano Liberati
We present a general formulation of the theory for a non-minimally coupled perfect fluid in which both conformal and disformal couplings are present. We discuss how such non-minima…
gr-qc2015★ 59 cited
Shaken, not stirred: kinetic mixing in scalar-tensor theories of gravity
Dario Bettoni, Miguel Zumalacárregui
Kinetic mixing between the metric and scalar degrees of freedom is an essential ingredient in contemporary scalar-tensor theories. This often makes hard to understand their physica…