Black holes with surrounding matter in scalar-tensor theories.
We uncover two mechanisms that can render Kerr black holes unstable in scalar-tensor gravity, both associated with the presence of matter in the vicinity of the black hole and the fact that this introduces an effective mass for the scalar. Our results highlight the importance of understanding the structure of spacetime in realistic, astrophysical black holes in scalar-tensor theories.
Departamento de Física, Instituto Superior Técnico, CENTRA, Universidade Técnica de Lisboa-UTL, Avenida Rovisco Pais 1, 1049 Lisboa, Portugal and Perimeter Institute for Theoretical Physics, Waterloo, Ontario N2J 2W9, Canada and Department of Physics and Astronomy, The University of Mississippi, University, Mississippi 38677, USA.
Vitor
V
Cardoso
Isabella P
IP
Carucci
Paolo
P
Pani
Thomas P
TP
Sotiriou