Quantum Effects in Galileon Black Holes

Abstract

Using the Wentzel-Kramers-Brillouin (WKB) approximation we study the formation and propagation of quantum bound states in the vicinity of a Galileon black hole. We show that for given ranges of black hole horizon radii and of the derivative coupling which appears in the metric of the Galileon black hole, a Regge-Wheeler potential containing a local well is formed. Varying the strength of the derivative coupling we investigate the behaviour of the bound states trapped in the potential well or penetrating the horizon of the Galileon black hole.

Major revision, figures added, to appear in Classical and Quantum Gravity. arXiv admin note: text overlap with arXiv:hep-th/0701265 by other authors