4 papers
Noble gravitational atoms: Self-gravitating black hole scalar wigs with angular momentum number
Miguel Alcubierre, Juan Barranco, Argelia Bernal +5
We present new spherically symmetric solutions of the Einstein-Klein-Gordon equations in a quasi-stationary approximation that describe self-gravitating scalar field configurations…
A natural explanation of the Galactic Magnetic Fields from multistate Scalar Field Dark Matter
Maribel Hernández-Márquez, Bryan Mendoza-Meza, Tonatiuh Matos +2
In this article, we investigate the possibility that the large-scale magnetic fields observed in galaxies, of the order of microgauss, arise naturally from a complex Scalar Field D…
Gravitational atoms beyond the test field limit: The case of Sgr A* and ultralight dark matter
Miguel Alcubierre, Juan Barranco, Argelia Bernal +5
We construct gravitational atoms including self-gravity, obtaining solutions of the Einstein-Klein-Gordon equations for a scalar field surrounding a non-rotating black hole in a qu…
Spherically symmetric collapse: Initial configurations
Elly Bayona, Hernando Quevedo, Miguel Alcubierre
The initial state of the spherical gravitational collapse in general relativity has been studied with different methods, especially by using {\it a priori} given equations of state…