Linearized Q-Ball Perturbations
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866914461107879936 |
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| author | Evslin, Jarah Liu, Hui Romańczukiewicz, Tomasz Shnir, Yakov Wereszczyński, Andrzej Ziobro, Piotr |
| author_facet | Evslin, Jarah Liu, Hui Romańczukiewicz, Tomasz Shnir, Yakov Wereszczyński, Andrzej Ziobro, Piotr |
| contents | Linearized deformations of the thick-walled (low-amplitude) (1+1)-dimensional Q-ball may be decomposed into relativistic modes, which are roughly plane waves, and also long-wavelength corotating and counterrotating Floquet modes. Each mode oscillates at a pair of mirror frequencies which average to the Q-ball frequency. The corotating modes are those of a breather or oscillon plus a very loosely bound mode. The counterrotating modes are described by an irrational-level Pöschl-Teller potential, with two discrete modes which mix with their unbound mirrors, unbinding them and turning them into Feshbach-type quasinormal modes. Expanding to leading order in the Q-ball amplitude, we present all of these modes in closed form, except for the bound mode which does not exist at leading order. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_07713 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Linearized Q-Ball Perturbations Evslin, Jarah Liu, Hui Romańczukiewicz, Tomasz Shnir, Yakov Wereszczyński, Andrzej Ziobro, Piotr High Energy Physics - Theory Linearized deformations of the thick-walled (low-amplitude) (1+1)-dimensional Q-ball may be decomposed into relativistic modes, which are roughly plane waves, and also long-wavelength corotating and counterrotating Floquet modes. Each mode oscillates at a pair of mirror frequencies which average to the Q-ball frequency. The corotating modes are those of a breather or oscillon plus a very loosely bound mode. The counterrotating modes are described by an irrational-level Pöschl-Teller potential, with two discrete modes which mix with their unbound mirrors, unbinding them and turning them into Feshbach-type quasinormal modes. Expanding to leading order in the Q-ball amplitude, we present all of these modes in closed form, except for the bound mode which does not exist at leading order. |
| title | Linearized Q-Ball Perturbations |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2604.07713 |