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Problem with classical stability of U(1) gauged Q-balls

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arxiv 1612.00737 v3 pith:P6FCWGOH submitted 2016-12-02 hep-th

A.G. Panin , M.N. Smolyakov This is my paper · ORCID
classification hep-th
keywords q-ballsgaugedstabilityclassicalordinarycasecriteriongeneral
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In this paper, we present a detailed study of the problem of classical stability of U(1) gauged Q-balls. In particular, we show that the standard methods that are suitable for establishing the classical stability criterion for ordinary (nongauged) one-field and two-field Q-balls are not effective in the case of U(1) gauged Q-balls, although all the technical steps of calculations can be performed in the same way as those for ordinary Q-balls. We also present the results of numerical simulations in models with different scalar field potentials, explicitly demonstrating that, in general, the regions of stability of U(1) gauged Q-balls are not defined in the same way as in the case of ordinary Q-balls. Consequently, the classical stability criterion for ordinary Q-balls cannot be applied to U(1) gauged Q-balls in the general case.

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Cited by 2 Pith papers

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    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.

  2. Non-topological solitons and quasi-solitons

    hep-th 2024-11 accept novelty 2.0 of 10

    A comprehensive review of non-topological solitons (Q-balls) and quasi-solitons (oscillons), their properties, dynamics, and roles in early-universe physics.

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