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Spontaneous Scalarization of Black Holes in Gauss-Bonnet Teleparallel Gravity
Sebastian Bahamonde, Daniela D. Doneva, Ludovic Ducobu +2
In this paper, we find new scalarized black holes by coupling a scalar field with the Gauss-Bonnet invariant in Teleparallel gravity. The Teleparallel formulation of this theory us…
Spontaneous scalarization
Daniela D. Doneva, Fethi M. Ramazanoğlu, Hector O. Silva +2
Scalarization is a mechanism that endows strongly self-gravitating bodies, such as neutron stars and black holes, with a scalar-field configuration. It resembles a phase transition…
Multi-scalar Gauss-Bonnet gravity: scalarized black holes beyond spontaneous scalarization
Kalin V. Staykov, Daniela D. Doneva
Recently, a new nonlinear mechanism for black hole scalarization, different from the standard spontaneous scalarization, was demonstrated to exist for scalar Gauss-Bonnet theories…
Spontaneous nonlinear scalarization of Kerr black holes
Daniela D. Doneva, Lucas G. Collodel, Stoytcho S. Yazadjiev
As it became well known in the past years, Einstein-scalar-Gauss-Bonnet (EsGB) theories evade no-hair theorems and allow for scalarized compact objects including black holes (BH).…
New Horizons for Fundamental Physics with LISA
K. G. Arun, Enis Belgacem, Robert Benkel +138
The Laser Interferometer Space Antenna (LISA) has the potential to reveal wonders about the fundamental theory of nature at play in the extreme gravity regime, where the gravitatio…
Dynamical descalarization with a jump during black hole merger
Daniela D. Doneva, Alex Vañó-Viñuales, Stoytcho S. Yazadjiev
Black holes in scalar-Gauss-Bonnet gravity are prone to scalarization, that is a spontaneous development of scalar hair for strong enough spacetime curvature while the weak field r…