Evolution of Brane-Localised Standard Model Fields in Gauss-Bonnet theory

TL;DR

This paper investigates how various massless fields behave around a black hole in higher-dimensional Gauss-Bonnet gravity, revealing universal late-time decay patterns and calculating their fundamental quasi-normal modes.

Contribution

It provides the first detailed analysis of scalar, Dirac, and electromagnetic fields' quasi-normal modes in Gauss-Bonnet black hole backgrounds, highlighting universal late-time behavior.

Findings

Universal late-time decay behavior observed across all fields

Calculated fundamental quasi-normal modes for different fields

Demonstrated independence of late-time behavior from Gauss-Bonnet parameter

Abstract

We study the massless scalar, Dirac and electro-magnetic fields propagating on a 4D-brane, which is embedded in higher dimensional Gauss-Bonnet space-time. We calculate, in time-domain, the fundamental quasi-normal modes of a spherically symmetric black hole for such fields. We observe also a universal behavior, independent on a field and value of the Gauss-Bonnet parameter, at asymptotically late time.