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How Do Axisymmetric Black Holes Grow Monopole and Dipole Hair?
Abhishek Hegade K R, Elias R. Most, Jorge Noronha +2
We study the dynamical formation of scalar monopole and dipole hair in scalar Gauss-Bonnet theory and dynamical Chern-Simons theory. We prove that the spherically-symmetric mode of…
Spin-induced dynamical scalarization, de-scalarization and stealthness in scalar-Gauss-Bonnet gravity during black hole coalescence
Matthew Elley, Hector O. Silva, Helvi Witek +1
Particular couplings between a scalar field and the Gauss-Bonnet invariant lead to spontaneous scalarization of black holes. Here we continue our work on simulating this phenomenon…
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…
The problem with Proca: ghost instabilities in self-interacting vector fields
Katy Clough, Thomas Helfer, Helvi Witek +1
Massive vector fields feature in several areas of particle physics, e.g., as carriers of weak interactions, dark matter candidates, or as an effective description of photons in a p…
Snowmass2021 Cosmic Frontier White Paper: Numerical relativity for next-generation gravitational-wave probes of fundamental physics
Francois Foucart, Pablo Laguna, Geoffrey Lovelace +2
The next generation of gravitational-wave detectors, conceived to begin operations in the 2030s, will probe fundamental physics with exquisite sensitivity. These observations will…
How Do Spherical Black Holes Grow Monopole Hair?
Abhishek Hegade K. R., Elias R. Most, Jorge Noronha +2
Black holes in certain modified gravity theories that contain a scalar field coupled to curvature invariants are known to possess (monopole) scalar hair while non-black-hole spacet…