Magnetic monopoles with an internal degree of freedom
Petr Bene\v{s}, Filip Blaschke
TL;DR
This paper discovers new magnetic monopole solutions in a broken SU(2) gauge theory that feature an internal degree of freedom affecting their energy distribution without changing their total energy.
Contribution
It introduces a novel internal moduli space parameter in BPS monopoles, revealing richer structure in monopole solutions within gauge theories.
Findings
Existence of monopoles with internal degrees of freedom
Energy density profiles vary with the moduli parameter
Total monopole energy remains constant
Abstract
We consider a class of spontaneously broken gauge theories with adjoint scalar and look for exact magnetic monopole solutions in the Bogomol'nyi-Prasad-Sommerfield (BPS) limit. We find that some of the resulting solutions exhibit a new internal degree of freedom (a moduli space parameter) that controls the energy density profile of the monopole while keeping the total energy (mass) constant.
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