Boosted Kaluza- Klein magnetic monopole
S. Sedigheh Hashemi, Nematollah Riazi

TL;DR
This paper explores a Kaluza-Klein magnetic monopole solution derived from Euclidean Taub-NUT space, demonstrating how boosting along the extra dimension creates a rotating dyonic system with electric and magnetic fields.
Contribution
It introduces a boosted Kaluza-Klein monopole solution that results in a rotating dyonic configuration in four dimensions, linking monopoles, dyons, and extra-dimensional boosts.
Findings
Boosting the monopole introduces rotation and electric charge.
The resulting spacetime describes a dyon connected by a string.
The solution extends the understanding of monopole dynamics in higher dimensions.
Abstract
We consider a Kaluza-Klein vacuum solution which is closely related to the Gross-Perry-Sorkin (GPS) magnetic monopole. The solution can be obtained from the Euclidean Taub-NUT solution with an extra compact fifth spatial dimension within the formalism of Kaluza-Klein reduction. We study its physical properties as appearing in spacetime dimensions, which turns out to be a static magnetic monopole. We then boost the GPS magnetic monopole along the extra dimension, and perform the Kaluza-Klein reduction. The resulting four-dimensional spacetime is a rotating stationary system, with both electric and magnetic fields. In fact, after the boost the magnetic monopole turns into a string connected to a dyon.
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