Understanding the Quantized Angular Momentum of Rotating Q-balls
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866914334085480448 |
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| author | DeVries, Benjamin Vassallo, Fabrizio Verhaaren, Christopher B. |
| author_facet | DeVries, Benjamin Vassallo, Fabrizio Verhaaren, Christopher B. |
| contents | Non-topological solitons, such as Q-balls, may contribute to the cosmological dark matter. The formation and evolution of Q-balls in the early universe requires an understanding of solitons with nonzero angular momentum. We derive (rather than assume) the schematic form of the scalar field configurations that produce rotating Q-balls, which produce their well known quantized angular momentum. This analysis leads to additional insight into the properties of these rotating solitons, including a method for computing their characteristic angular velocity. By considering rotating solitons in two spatial dimensions, we investigate these attributes concretely. We develop analytical approximations for the solitons and their defining quantities. We show that they agree with numerical results and exhibit the general properties of rotating solitons. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2602_15196 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Understanding the Quantized Angular Momentum of Rotating Q-balls DeVries, Benjamin Vassallo, Fabrizio Verhaaren, Christopher B. High Energy Physics - Theory Non-topological solitons, such as Q-balls, may contribute to the cosmological dark matter. The formation and evolution of Q-balls in the early universe requires an understanding of solitons with nonzero angular momentum. We derive (rather than assume) the schematic form of the scalar field configurations that produce rotating Q-balls, which produce their well known quantized angular momentum. This analysis leads to additional insight into the properties of these rotating solitons, including a method for computing their characteristic angular velocity. By considering rotating solitons in two spatial dimensions, we investigate these attributes concretely. We develop analytical approximations for the solitons and their defining quantities. We show that they agree with numerical results and exhibit the general properties of rotating solitons. |
| title | Understanding the Quantized Angular Momentum of Rotating Q-balls |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2602.15196 |