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Splitting the Gravitational Atom: Instabilities of Black Holes with Synchronized or Resonant Hair
Jordan Nicoules, José Ferreira, Carlos A. R. Herdeiro +2
Black holes (BHs) with synchronized bosonic hair challenge the Kerr paradigm, linking superradiance from ultralight fields -- creating gravitational atoms -- to bosonic stars acros…
Dancing in the dark: probing Dark Matter through the dynamics of eccentric binary pulsars
Giorgio Nicolini, Andrea Maselli, Miguel Zilhão
We investigate the dynamics of eccentric binary pulsars embedded in dark matter environments. While previous studies have primarily focused on circular orbits in collisionless dark…
Stability and collisions of excited spherical boson stars: glimpses of chains and rings
Marco Brito, Carlos Herdeiro, Eugen Radu +2
Scalar, spherically symmetric, radially excited boson stars were previously shown to be stabilized, against spherical dynamics, by sufficiently strong self-interactions. Here, we f…