Linear stability of vector Horndeski black holes

Che-Yu Chen, Antonio De Felice, Shinji Tsujikawa

Horndeski's vector-tensor (HVT) gravity is described by a Lagrangian in which the field strength $F_{\mu \nu }={\partial }_{\mu }{A}_{\nu }-{\partial }_{\nu }{A}_{\mu }$ of a vector field $A_{\mu }$ interacts with a dou…