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Comment on "Kerr Black Holes as Particle Accelerators to Arbitrarily High Energy"
Emanuele Berti, Vitor Cardoso, Leonardo Gualtieri +2
It has been suggested that rotating black holes could serve as particle colliders with arbitrarily high center-of-mass energy. Astrophysical limitations on the maximal spin, back-r…
Neutron star tidal disruption in mixed binaries: the imprint of the equation of state
V. Ferrari, L. Gualtieri, F. Pannarale
We study the tidal disruption of neutron stars in black hole-neutron star coalescing binaries. We calculate the critical orbital separation at which the star is disrupted by the bl…
Threshold anomalies in Horava-Lifshitz-type theories
Giovanni Amelino-Camelia, Leonardo Gualtieri, Flavio Mercati
Recently the study of threshold kinematic requirements for particle-production processes has played a very significant role in the phenomenology of theories with departures from Po…
Perturbations of Schwarzschild black holes in Dynamical Chern-Simons modified gravity
V. Cardoso, L. Gualtieri
Dynamical Chern-Simons (DCS) modified gravity is an attractive, yet relatively unexplored, candidate to an alternative theory of gravity. The DCS correction couples a dynamical sca…
Relativistic models of magnetars: the twisted-torus magnetic field configuration
R. Ciolfi, V. Ferrari, L. Gualtieri +1
We find general relativistic solutions of equilibrium magnetic field configurations in magnetars, extending previous results of Colaiuda et al. (2008). Our method is based on the s…