Blackfolds in Supergravity and String Theory

TL;DR

This paper develops an effective worldvolume theory for charged black branes in supergravity and string theory, enabling the construction of new rotating black holes with diverse charges, dipoles, and horizon geometries, some of which are stable near extremality.

Contribution

It introduces a novel effective theory for black branes with charges in supergravity, leading to the discovery of numerous new black hole solutions with complex topologies and stability properties.

Findings

Constructed new rotating black holes with D-brane charges and dipoles.

Found extremal, non-supersymmetric black holes with regular horizons.

Identified conditions for dynamical stability near extremality.

Abstract

We develop the effective worldvolume theory for the dynamics of black branes with charges of the kind that arise in many supergravities and low-energy limits of string theory. Using this theory, we construct numerous new rotating black holes with charges and dipoles of D-branes, fundamental strings and other branes. In some instances, the black holes can be dynamically stable close enough to extremality. Some of these black holes, such as those based on the D1-D5-P system, have extremal, non-supersymmetric limits with regular horizons of finite area and a wide variety of horizon topologies and geometries.