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Cosmological dynamics and dark energy from non-local infrared modifications of gravity
Stefano Foffa, Michele Maggiore, Ermis Mitsou
We perform a detailed study of the cosmological dynamics of a recently proposed infrared modification of the Einstein equations, based on the introduction of a non-local term const…
Apparent ghosts and spurious degrees of freedom in non-local theories
Stefano Foffa, Michele Maggiore, Ermis Mitsou
Recent work has shown that non-local modifications of the Einstein equations can have interesting cosmological consequences and can provide a dynamical origin for dark energy, cons…
Effective field theory methods to model compact binaries
Stefano Foffa, Riccardo Sturani
In this short review we present a self-contained exposition of the effective field theory method approach to model the dynamics of gravitationally bound compact binary systems with…
Gravitating binaries at 5PN in the post-Minkowskian approximation
Stefano Foffa
The energy of a compact binary system at the fifth post-Newtonian order is explicitly computed in the post-Minkowskian approximation by means of the Effective Field Theory approach…