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Proca-Higgs balls and stars in a UV completion for Proca self-interactions

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arxiv 2301.04172 v1 pith:32Y4IJY3 submitted 2023-01-10 gr-qc

Carlos Herdeiro , Eugen Radu , Etevaldo dos Santos Costa Filho This is my paper · ORCID
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keywords modelstarsprocaproca-higgsballscompletioncomplexfield
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We consider a Proca-Higgs model wherein a complex vector field gains mass via spontaneous symmetry breaking, by coupling to a real scalar field with a Higgs-type potential. This vector version of the scalar Friedberg-Lee-Sirlin model, can be considered as a UV completion of a complex Proca model with self-interactions. We study the flat spacetime and self-gravitating solitons of the model, that we dub Proca-Higgs \textit{balls} and \textit{stars} respectively, exploring the domain of solutions and describing some of their mathematical and physical properties. The stars reduce to the well-known (mini-)Proca stars in some limits. The full model evades the hyperbolicity problems of the self-interacting Proca models, offering novel possibilities for dynamical studies beyond mini-Proca stars.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Dipoles and chains of solitons in the Friedberg-Lee-Sirlin model

    gr-qc 2024-11 conditional novelty 7.0 of 10

    Stable dipolar boson stars and flat-space Q-ball chains are constructed in the Friedberg-Lee-Sirlin model, and chains beyond the dipole are found unstable in tested cases.

  2. Localized Electromagnetic Perturbations on Vector Solitons

    hep-ph 2024-11 conditional novelty 5.0 of 10

    Proca balls in a theory with gauge kinetic coupling support a localized spherically symmetric electromagnetic vibrational mode whose spectrum has a delocalization gap and a revival branch.

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