195 citations · 210 across the 9 of their papers we have counts for
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Spontaneous spherical symmetry breaking of black holes with resonant hair
José Ferreira, Carlos A. R. Herdeiro, Eugen Radu +1
Black holes with resonant hair are static, spherical, electrically charged solutions of the Einstein-Maxwell-(gauged-)scalar system. Scalar self-interactions are mandatory for thei…
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…
Gregory-Laflamme-type instability of boson strings and related phases in D=5 Kaluza-Klein theory
Carlos A. R. Herdeiro, Eugen Radu
We add an extra dimension (size ) to the well known static, spherically symmetric -balls and boson stars. We show that the resulting uniform horizonless boson str…
Bifurcations in Bosonic Stars: chains and rings from spherical solutions
Chen Liang, Carlos A. R. Herdeiro, Eugen Radu
We study the bifurcation phenomena between spherical and axisymmetric bosonic stars. By numerically solving for the zero-modes of spherical bosonic stars under specific axially sym…
Breaking the north-south symmetry: dyonic spinning black holes with synchronized gauged scalar hair
Pedro V. P. Cunha, Carlos A. R. Herdeiro, Eugen Radu +1
We study stationary clouds of a gauged, complex scalar field on a magnetically (and possibly electrically as well) charged Kerr-Newman black hole (BH). The existence of a magnetic…
Numerical relativity surrogate models for exotic compact objects: the case of head-on mergers of equal-mass Proca stars
Raimon Luna, Miquel Llorens-Monteagudo, Ana Lorenzo-Medina +6
We present several high-accuracy surrogate models for gravitational-wave signals from equal-mass head-on mergers of Proca stars, computed through the Newman-Penrose scalar . W…
The imitation game reloaded: effective shadows of dynamically robust spinning Proca stars
Ivo Sengo, Pedro V. P. Cunha, Carlos A. R. Herdeiro +1
We analyse the lensing images by dynamically robust rotating (mini-)Proca stars surrounded by thin accretion disks. Due to their peculiar geodesic structure we show that these imag…
Chaotic lensing around boson stars and Kerr black holes with scalar hair
P. V. P. Cunha, J. Grover, C. Herdeiro +3
In a recent letter, arXiv:1509.00021, it was shown that the lensing of light around rotating boson stars and Kerr black holes with scalar hair can exhibit chaotic patterns. Since n…