Fermion states localized on a self-gravitating non-Abelian monopole

2023

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DOI 10.1103/physrevd.108.065005
Data confidence 70 medium
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Abstract

We study fermionic modes localized on the static spherically symmetric self-gravitating non-Abelian monopole in the $SU(2)$ Einstein-Dirac-Yang-Mills-Higgs theory. We consider dependence of the spectral flow on the effective gravitational coupling constant and show that, in the limiting case of transition to the Reissner-Nordstr\"om black hole, the fermion modes are fully absorbed into the interior of the black hole.