Coupled scalar-Proca soliton stars
We construct and explore the physical properties of scalaroca stars: spherically symmetric
solitonic solutions made of a complex scalar field Φ and a complex Proca field A μ. We …
solitonic solutions made of a complex scalar field Φ and a complex Proca field A μ. We …
Effects of mass and self-interaction on nonlinear scalarization of scalar-Gauss-Bonnet black holes
It was recently found that, in certain flavors of scalar-Gauss-Bonnet gravity, linearly stable
bald black holes can coexist with stable scalarized solutions. The transition between both …
bald black holes can coexist with stable scalarized solutions. The transition between both …
Proca-Higgs balls and stars in a UV completion for Proca self-interactions
C Herdeiro, E Radu… - Journal of Cosmology …, 2023 - iopscience.iop.org
Abstract We consider a Proca-Higgs model wherein a complex vector field gains mass via
spontaneous symmetry breaking, by coupling to a real scalar field with a Higgs-type …
spontaneous symmetry breaking, by coupling to a real scalar field with a Higgs-type …
Spinning Proca-Higgs balls, stars and hairy black holes
C Herdeiro, E Radu… - Journal of Cosmology …, 2024 - iopscience.iop.org
Recently, spherical and static flat space solitons (balls) and self-gravitating, everywhere
regular, asymptotically flat solitons (stars) were constructed in an Einstein-Proca-Higgs …
regular, asymptotically flat solitons (stars) were constructed in an Einstein-Proca-Higgs …
Complex structures of boson stars and anisotropic distribution of satellite galaxies
V Jaramillo, SY Zhou - Physical Review D, 2024 - APS
We construct and explore the complex structures of boson stars, drawing inspiration from
similar configurations of nontopological solitons in Minkowski space. These “molecular …
similar configurations of nontopological solitons in Minkowski space. These “molecular …
Dirac-boson stars
C Liang, JR Ren, SX Sun, YQ Wang - Journal of High Energy Physics, 2023 - Springer
A bstract In this paper, we construct Dirac-boson stars (DBSs) model composed of a scalar
field and two Dirac fields. The scalar field and both Dirac fields are in the ground state. We …
field and two Dirac fields. The scalar field and both Dirac fields are in the ground state. We …
Stability and physical properties of spherical excited scalar boson stars
We study the time evolution of spherical, excited—with n radial nodes—scalar boson stars in
general relativity minimally coupled to a complex massive scalar field with quartic self …
general relativity minimally coupled to a complex massive scalar field with quartic self …
A Sun-like star orbiting a boson star
The high-precision astrometric mission GAIA recently reported the remarkable discovery of a
Sun-like star closely orbiting a dark object with a semimajor axis and period of 1.4 au and …
Sun-like star closely orbiting a dark object with a semimajor axis and period of 1.4 au and …
Hybrid Proca-boson stars
TX Ma, C Liang, J Yang, YQ Wang - Physical Review D, 2023 - APS
In this paper, we construct a hybrid boson star model composed of a complex scalar field
and a Proca field. The scalar field and the Proca field are both in their ground state. The …
and a Proca field. The scalar field and the Proca field are both in their ground state. The …
Multi-state Dirac stars
C Liang, JR Ren, SX Sun, YQ Wang - The European Physical Journal C, 2024 - Springer
In this paper, we construct the multi-state Dirac stars (MSDSs) consisting of two pairs of
Dirac fields. The two pairs of Dirac fields are in the ground state and the first excited state …
Dirac fields. The two pairs of Dirac fields are in the ground state and the first excited state …