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gr-qc2023★ 78 cited
Dynamical Friction in Gravitational Atoms
Giovanni Maria Tomaselli, Thomas F. M. Spieksma, Gianfranco Bertone
Due to superradiant instabilities, clouds of ultralight bosons can spontaneously grow around rotating black holes, creating so-called "gravitational atoms". In this work, we study…
gr-qc2023
Quantum Field Theory on compact stars near the Buchdahl limit
Ignacio A. Reyes, Giovanni Maria Tomaselli
Very compact stars seem to be forbidden in General Relativity. While Buchdahl's theorem sets an upper bound on compactness, further no-go results rely on the existence of two light…