Dyons in Nonabelian Born-Infeld Theory
Antun Balaz, Maja Buric, and Voja Radovanovic
TL;DR
This paper investigates nonabelian Born-Infeld theory for SU(2), finding finite-energy dyons but no pure magnetic monopoles, through analytic and numerical methods, expanding understanding of nonabelian gauge solutions.
Contribution
It provides the first detailed analysis of dyons in nonabelian Born-Infeld theory, showing their existence and ruling out certain monopole solutions.
Findings
Finite-energy dyons exist in the theory.
Pure magnetic monopoles of 't Hooft--Polyakov type do not exist.
Analytic and numerical methods confirm these results.
Abstract
We analyze a nonabelian extension of Born--Infeld action for the SU(2) group. In the class of spherically symmetric solutions we find that, besides the Gal'tsov--Kerner glueballs, only the analytic dyons have finite energy. The presented analytic and numerical investigation excludes the existence of pure magnetic monopoles of 't Hooft--Polyakov type.
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