The Kerr-Newman two-twistor particle

TL;DR

This paper develops a twistor particle theory to describe Kerr-Newman black holes, deriving an all-orders effective action and uncovering hidden symmetries in self-dual backgrounds.

Contribution

It introduces a novel twistor particle framework for Kerr-Newman black holes, providing an exact effective action and revealing hidden symmetries.

Findings

All-orders worldline effective action derived

Hidden symmetries identified in self-dual backgrounds

Advances understanding of twistor descriptions of black holes

Abstract

An all-orders worldline effective action for Kerr-Newman black hole is achieved in twistor particle theory. Exact hidden symmetries are identified in self-dual backgrounds.