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Explosion and final state of an unstable Reissner-Nordstrom black hole
Nicolas Sanchis-Gual, Juan Carlos Degollado, Pedro J. Montero +2
A Reissner-Nordström black hole (BH) is superradiantly unstable against spherical perturbations of a charged scalar field, enclosed in a cavity, with frequency lower than a critica…
Quasistationary solutions of self-gravitating scalar fields around collapsing stars
Nicolas Sanchis-Gual, Juan Carlos Degollado, Pedro J. Montero +2
Recent work has shown that scalar fields around black holes can form long-lived, quasistationary configurations surviving for cosmological timescales. With this requirement, scalar…
Testing General Relativity with Present and Future Astrophysical Observations
Emanuele Berti, Enrico Barausse, Vitor Cardoso +50
One century after its formulation, Einstein's general relativity has made remarkable predictions and turned out to be compatible with all experimental tests. Most of these tests pr…