Light Curves of Chaotic Charged Hot-Spots in Curved Spacetime: Opening an Observational Window to Chaos
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866915460704894976 |
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| author | Hu, Shiyang Li, Dan Deng, Chen |
| author_facet | Hu, Shiyang Li, Dan Deng, Chen |
| contents | The observed scarcity of chaotic phenomena in astronomy contrasts sharply with their theoretical significance, primarily due to the absence of a robust framework for detecting chaos. In this study, we numerically simulate the light curves of hot-spots in Kerr spacetime under the influence of an external asymptotically uniform electromagnetic field. Our results reveal a clear distinction between the light curves of chaotic and regular hot-spots, particularly in their power spectra: the latter display isolated, sharp peaks, while the former exhibit broad, continuous peaks of low amplitude. These findings highlight the potential of using light curves as a probe for chaotic orbits in curved spacetime. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2508_17384 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Light Curves of Chaotic Charged Hot-Spots in Curved Spacetime: Opening an Observational Window to Chaos Hu, Shiyang Li, Dan Deng, Chen General Relativity and Quantum Cosmology The observed scarcity of chaotic phenomena in astronomy contrasts sharply with their theoretical significance, primarily due to the absence of a robust framework for detecting chaos. In this study, we numerically simulate the light curves of hot-spots in Kerr spacetime under the influence of an external asymptotically uniform electromagnetic field. Our results reveal a clear distinction between the light curves of chaotic and regular hot-spots, particularly in their power spectra: the latter display isolated, sharp peaks, while the former exhibit broad, continuous peaks of low amplitude. These findings highlight the potential of using light curves as a probe for chaotic orbits in curved spacetime. |
| title | Light Curves of Chaotic Charged Hot-Spots in Curved Spacetime: Opening an Observational Window to Chaos |
| topic | General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2508.17384 |