Spectral curves of hyperbolic monopoles from ADHM

Sutcliffe, Paul

doi:10.1088/1751-8121/abe5cc

Spectral curves of hyperbolic monopoles from ADHM

Sutcliffe, Paul

Authors

Professor Paul Sutcliffe p.m.sutcliffe@durham.ac.uk
Professor

Abstract

Magnetic monopoles in hyperbolic space are in correspondence with certain algebraic curves in mini-twistor space, known as spectral curves, which are in turn in correspondence with rational maps between Riemann spheres. Hyperbolic monopoles correspond to circle-invariant Yang–Mills instantons, with an identification of the monopole and instanton numbers, providing the curvature of hyperbolic space is tuned to a value specified by the asymptotic magnitude of the Higgs field. In previous work, constraints on ADHM instanton data have been identified that provide a non-canonical realization of the circle symmetry that preserves the standard action of rotations in the ball model of hyperbolic space. Here formulae are presented for the spectral curve and the rational map of a hyperbolic monopole in terms of its constrained ADHM matrix. This extends earlier results that apply only to the subclass of instantons of JNR type. The formulae are applied to obtain new explicit examples of spectral curves that are beyond the JNR class.

Citation

Sutcliffe, P. (2021). Spectral curves of hyperbolic monopoles from ADHM. Journal of Physics A: Mathematical and Theoretical, 54(16), Article 165401. https://doi.org/10.1088/1751-8121/abe5cc

Journal Article Type	Article
Acceptance Date	Feb 12, 2021
Online Publication Date	Mar 25, 2021
Publication Date	Apr 23, 2021
Deposit Date	Mar 26, 2021
Publicly Available Date	Mar 29, 2021
Journal	Journal of Physics A: Mathematical and Theoretical
Print ISSN	1751-8113
Electronic ISSN	1751-8121
Publisher	IOP Publishing
Peer Reviewed	Peer Reviewed
Volume	54
Issue	16
Article Number	165401
DOI	https://doi.org/10.1088/1751-8121/abe5cc