Regularization of Electroweak Monopole by Charge Screening and BPS Energy Bound

Abstract

We show that the electroweak monopole can be regularized with a non-vacuum electromagnetic permittivity. This allows us to set a new BPS bound for the monopole mass, which implies that the mass may not be smaller than 2.98 TeV, more probably 3.75 TeV. We demonstrate that the same method can also regularize the Dirac monopole, which enhances the possibility to construct the Dirac monopole of mass of a few hundred meV in condensed matters. We discuss the physical implications of our result.

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Cited by in corpus (3)

• Phenomenology of a Born-Infeld extension of the $U(1{)}_{\mathrm{Y}}$ sector at lepton colliders
• Electroweak monopoles with a non-linearly realized weak hypercharge
• Gravitating Cho-Maison Monopole