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Perturbations of Q-balls: from spectral structure to radiation pressure

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arxiv 2405.06591 v2 pith:K5IVJJG7 submitted 2024-05-10 hep-th

Dominik Ciurla , Patrick Dorey , Tomasz Romańczukiewicz , Yakov Shnir This is my paper · ORCID
classification hep-th
keywords q-ballsradiationmodepressurescalarbehavecertaincomplex
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We investigate Q-balls in a 1+1 dimensional complex scalar field theory. We find that the relaxation of a squashed Q-ball is dominated by the decay of a normal mode through nonlinear coupling to scattering modes and a long-lasting quasi-normal mode. We also study how these Q-balls behave when exposed to scalar radiation, finding that for certain conditions they can experience negative radiation pressure.

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Cited by 3 Pith papers

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

  1. Oscillons from $Q$-balls

    hep-th 2025-02 conditional novelty 7.0 of 10

    Oscillons in (1+1) dimensions are shown, at leading nonlinear order, to arise from universal Q-ball solutions, with modulated oscillons described by two-Q-ball bound states of the complex sine-Gordon model.

  2. Oscillon Floquet Modes and the Operators that Excite Them

    hep-th 2026-07 conditional novelty 6.0 of 10

    Relativistic Floquet modes of the oscillon are expressed in elementary functions, and their quantum creation/annihilation operators are shown to satisfy the oscillator algebra at the computed order.

  3. Oscillons and bubbles in $Q$-ball dynamics

    hep-th 2025-09 conditional novelty 6.0 of 10

    In the thin-wall regime, Q-ball-anti-Q-ball collisions are chaotic, driven by internal bound modes and ephemeral states, with false-vacuum bubbles stabilized by Goldstone modes as key intermediates.

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