Spontaneous emission of a two-level static atom coupling with the electromagnetic vacuum fluctuations outside a high-dimensional Einstein Gauss-Bonnet black hole

TL;DR

This paper studies how a static atom interacts with electromagnetic vacuum fluctuations near a high-dimensional Einstein-Gauss-Bonnet black hole, revealing that the Gauss-Bonnet term does not affect atomic stability.

Contribution

It applies the generalized DDC formalism to analyze spontaneous excitation of atoms in higher-dimensional EGB black hole spacetimes, highlighting the role of the Gauss-Bonnet term.

Findings

Spontaneous excitation does not occur in Boulware vacuum.

Gauss-Bonnet term does not influence atomic stability.

The coupling constant and dimensionality affect the results.

Abstract

In present paper, by using the generalized DDC formalism, we investigate the spontaneous excitation of an static atom interacting with electromagnetic vacuum fluctuations outside a EGB black hole in $d$-dimensions. We find that spontaneous excitation does not occur in Boulware vacuum. The Gauss-Bonnet term has no effect on the stability of the atom. Finally, we discuss the contribution of the coupling constant and dimensional factor to the results in three different kinds of spacetime.