Rotating Topological Stars
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915405366296576 |
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| author | Bianchi, Massimo Dibitetto, Giuseppe Morales, Jose F. Ruipérez, Alejandro |
| author_facet | Bianchi, Massimo Dibitetto, Giuseppe Morales, Jose F. Ruipérez, Alejandro |
| contents | We construct a three-parameter family of smooth and horizonless rotating solutions of Einstein-Maxwell theory with Chern-Simons term in five dimensions and discuss their stringy origin in terms of three-charge brane systems in Type IIB and M-theory. The general solution interpolates smoothly between Kerr and static Topological Star geometries. We show that for specific choices of the parameters and quantized values of the angular momentum the geometry terminates on a smooth five-dimensional cap, and it displays neither ergoregion nor closed timelike curves. We discuss the propagation of particles and waves showing that geodetic motion is integrable and the radial and angular propagation of scalar perturbations can be separated and described in terms of two ordinary differential equations of confluent Heun type. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_12235 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Rotating Topological Stars Bianchi, Massimo Dibitetto, Giuseppe Morales, Jose F. Ruipérez, Alejandro High Energy Physics - Theory We construct a three-parameter family of smooth and horizonless rotating solutions of Einstein-Maxwell theory with Chern-Simons term in five dimensions and discuss their stringy origin in terms of three-charge brane systems in Type IIB and M-theory. The general solution interpolates smoothly between Kerr and static Topological Star geometries. We show that for specific choices of the parameters and quantized values of the angular momentum the geometry terminates on a smooth five-dimensional cap, and it displays neither ergoregion nor closed timelike curves. We discuss the propagation of particles and waves showing that geodetic motion is integrable and the radial and angular propagation of scalar perturbations can be separated and described in terms of two ordinary differential equations of confluent Heun type. |
| title | Rotating Topological Stars |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2504.12235 |