Charge extraction from a black hole

TL;DR

This paper demonstrates the theoretical possibility of extracting electric charge from a static black hole, extending previous work on information transfer across horizons to include charge extraction and other black hole types.

Contribution

It introduces a novel mechanism for charge extraction from black holes, expanding the understanding of horizon physics and gauge interactions in black hole environments.

Findings

Charge can be extracted from static black holes.

The method extends to other gauge-boson charges.

Applicable to rotating black holes as well.

Abstract

Following up on earlier work about across-horizon quantum scattering and information transfer outwards across the black-hole horizon, we show that it is also possible to extract electric charge from a static nonrotating black hole. This result can be extended to other types of charge with a gauge-boson coupling and to nonstatic rotating black holes.