Charged Heterotic Black-Holes in Four and Two Dimensions

TL;DR

This paper explores the connection between four-dimensional charged heterotic black holes and their two-dimensional counterparts by analyzing their string theory origins and harmonic functions, revealing a dimensional reduction relationship.

Contribution

It demonstrates how four-dimensional heterotic black holes relate to two-dimensional models through the removal of harmonic function constants, providing insights into their string theory structure.

Findings

Four-dimensional black holes relate to two-dimensional models via harmonic function adjustments.

The string theory origin involves Kaluza-Klein monopoles and five-branes.

Dimensional reduction clarifies the structure of heterotic black holes.

Abstract

We consider four-dimensional charged black-holes occuring in toroidally compactified heterotic string theory, whose ten-dimensional interpretation involves a Kaluza-Klein monopole and a five-brane. We show that these four-dimensional black-holes can be connected to two-dimensional charged heterotic black-holes upon removal of the constants appearing in the harmonic functions associated with the Kaluza-Klein monopole and the five-brane.