Nontopological Electromagnetic Hedgehogs
We study classical localised configurations - solitons - in a theory of self-interacting complex Proca field with the global $U(1)$ symmetry. We focus on spherically-symmetric solitons near the nonrelativistic limit, which are supported by the quartic interactions of the neutral Proca field. Such so...
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Zusammenfassung: | We study classical localised configurations - solitons - in a theory of
self-interacting complex Proca field with the global $U(1)$ symmetry. We focus
on spherically-symmetric solitons near the nonrelativistic limit, which are
supported by the quartic interactions of the neutral Proca field. Such solitons
can source the radial electric (magnetic) field if one introduces a parity-even
(parity-odd) coupling of the Proca field to the electromagnetic field tensor.
We discuss the conditions of existence of such nontopological ''electromagnetic
hedgehogs'' and their properties. |
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DOI: | 10.48550/arxiv.2405.01335 |