https://doi.org/10.1140/epjc/s10052-021-09522-w
Regular Article - Theoretical Physics
Gravitating Cho–Maison monopole
School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
Received:
25
March
2021
Accepted:
2
August
2021
Published online:
19
October
2021
We study numerical solutions corresponding to spherically symmetric gravitating electroweak monopole and magnetically charged black holes of the Einstein–Weinberg–Salam theory. The gravitating electroweak monopole solutions are quite identical to the gravitating monopole solution in SU(2) Einstein–Yang–Mills–Higgs theory, but with distinctive characteristics. We also found solutions representing radially excited monopole, which has no counterpart in flat space. Both of these solutions exist up to a maximal gravitational coupling before they cease to exist. Lastly we also report on magnetically charged non-Abelian black holes solutions that is closely related to the regular monopole solutions, which represents counterexample to the ‘no-hair’ conjecture.
© The Author(s) 2021
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