742 citations · 1.8k across the 33 of their papers we have counts for
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UV completions, fixing the equations and nonlinearities in -essence
Guillermo Lara, Miguel Bezares, Enrico Barausse
Scalar-tensor theories with first-derivative self interactions, known as -essence, may provide interesting phenomenology on cosmological scales. On smaller scales, however, init…
Dynamical Chameleon Neutron Stars: stability, radial oscillations and scalar radiation in spherical symmetry
Alexandru Dima, Miguel Bezares, Enrico Barausse
Scalar-tensor theories whose phenomenology differs significantly from general relativity on large (e.g. cosmological) scales do not typically pass local experimental tests (e.g. in…
No evidence of kinetic screening in simulations of merging binary neutron stars beyond general relativity
Miguel Bezares, Ricard Aguilera-Miret, Lotte ter Haar +3
We have conducted fully relativistic simulations in a class of scalar-tensor theories with derivative self-interactions and screening of local scales. By using high-resolution shoc…
Kinetic screening in nonlinear stellar oscillations and gravitational collapse
Miguel Bezares, Lotte ter Haar, Marco Crisostomi +2
We consider k-essence, a scalar-tensor theory with first-order derivative self-interactions that can screen local scales from scalar fifth forces, while allowing for sizeable devia…