1.

Kerr black holes with synchronised scalar hair and higher azimuthal harmonic index
/ Delgado, Jorge F.M. ; Herdeiro, Carlos A.R. ; Radu, Eugen
Kerr black holes with synchronised scalar hair and azimuthal harmonic index m>1 are constructed and studied. [...]
Published in Physics letters B 792 (2019) 436444
10.1016/j.physletb.2019.04.009
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2.

Synchronized stationary clouds in a static fluid
/ Benone, Carolina L. ; Crispino, Luís C.B. ; Herdeiro, Carlos A.R. ; Richartz, Maurício
The existence of stationary bound states for the hydrodynamic velocity field between two concentric cylinders is established. [...]
Published in Physics letters B 786 (2018) 442447
10.1016/j.physletb.2018.10.030
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3.

Effective stability against superradiance of Kerr black holes with synchronised hair
/ Degollado, Juan Carlos ; Herdeiro, Carlos A.R. ; Radu, Eugen
Kerr black holes with synchronised hair [1,2] are a counter example to the no hair conjecture, in General Relativity minimally coupled to simple matter fields (with mass μ ) obeying all energy conditions. [...]
Published in Physics letters B (2018)
10.1016/j.physletb.2018.04.052
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4.

Can black hole superradiance be induced by galactic plasmas?
/ Conlon, Joseph P. ; Herdeiro, Carlos A.R.
Highly spinning Kerr black holes with masses M=1–100M⊙ are subject to an efficient superradiant instability in the presence of bosons with masses μ∼10−10–10−12eV . [...]
Published in Physics letters B (2018)
10.1016/j.physletb.2018.02.073
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5.

Superradiance in the BTZ black hole with Robin boundary conditions
/ Dappiaggi, Claudio ; Ferreira, Hugo R.C. ; Herdeiro, Carlos A.R.
We show the existence of superradiant modes of massive scalar fields propagating in BTZ black holes when certain Robin boundary conditions, which never include the commonly considered Dirichlet boundary conditions, are imposed at spatial infinity. [...]
Published in Physics letters B (2018)
10.1016/j.physletb.2018.01.018
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6.

Asymptotically flat scalar, Dirac and Proca stars: Discrete vs. continuous families of solutions
/ Herdeiro, Carlos A.R. ; Pombo, Alexandre M. ; Radu, Eugen
The existence of localized, approximately stationary, lumps of the classical gravitational and electromagnetic field – geons – was conjectured more than half a century ago. [...]
Published in Physics letters B (2017)
10.1016/j.physletb.2017.09.036
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7.

Stationary scalar clouds around a BTZ black hole
/ Ferreira, Hugo R.C. ; Herdeiro, Carlos A.R.
We establish the existence of stationary clouds of massive test scalar fields around BTZ black holes. [...]
Published in Physics letters B (2017)
10.1016/j.physletb.2017.08.017
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8.

Shadows of Einstein–dilaton–Gauss–Bonnet black holes
/ Cunha, Pedro V.P. ; Herdeiro, Carlos A.R. ; Kleihaus, Burkhard ; Kunz, Jutta ; et al
We study the shadows of the fully nonlinear, asymptotically flat Einstein–dilaton–Gauss–Bonnet (EdGB) black holes (BHs), for both static and rotating solutions. [...]
Published in Physics letters B (2017)
10.1016/j.physletb.2017.03.020
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9.

Kerr–Newman black holes with scalar hair
/ Delgado, Jorge F.M. ; Herdeiro, Carlos A.R. ; Radu, Eugen ; Rúnarsson, Helgi
We construct electrically charged Kerr black holes (BHs) with scalar hair. [...]
Published in Physics letters B (2016)
10.1016/j.physletb.2016.08.032
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10.

Proca stars: Gravitating Bose–Einstein condensates of massive spin 1 particles
/ Brito, Richard ; Cardoso, Vitor ; Herdeiro, Carlos A.R. ; Radu, Eugen
We establish that massive complex Abelian vector fields (mass μ ) can form gravitating solitons, when minimally coupled to Einstein's gravity. [...]
Published in Physics letters B (2015)
10.1016/j.physletb.2015.11.051
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