On a core instability of 't Hooft Polyakov monopoles

TL;DR

This paper investigates a core instability in 't Hooft Polyakov monopoles within Alice electrodynamics models, revealing their potential deformation into toroidal defects with unique flux and charge properties.

Contribution

It introduces the concept of a core instability leading to monopole deformation into toroidal defects with Alice flux and magnetic Cheshire charge.

Findings

Monopoles can deform into toroidal defects.

Deformation involves Alice flux and magnetic Cheshire charge.

Core instability affects monopole stability in certain models.

Abstract

We discuss a core instability of 't Hooft Polyakov monopoles in Alice electrodynamics type of models in which charge conjugation symmetry is gauged. The monopole may deform into a toroidal defect which carries an Alice flux and a (non-localizable) magnetic Cheshire charge.