Microstates of AdS$_5$ black holes with hypermultiplets
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arXiv
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| Formato: | Preprint |
| Publicado: |
2025
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| author | David, Marina Vekemans, Annelien |
| author_facet | David, Marina Vekemans, Annelien |
| contents | We construct supersymmetric rotating AdS$_5$ black holes in 5d $\mathcal{N}=2$ gauged supergravity coupled to two vector multiplets and a universal hypermultiplet, and verify their microscopic counting from the superconformal index of the dual 4d class $\mathcal{S}$ $\mathcal{N}=1$ SCFTs. From the CFT, we perform the Legendre transform of the index to the microcanonical ensemble. The theories are parametrized by a rational number $z$ which enters into the extremization equations making them more challenging to solve. We present a method to address these difficulties and highlight the subtleties involved. From the gravity perspective, we identify a charged, rotating black hole whose Bekenstein-Hawking entropy matches the prediction from the index for $z=\pm1$. Beyond this value, where hypermultiplet scalars are nonzero, we construct the near-horizon extremal geometry perturbatively around $z= 1$ and verify that the entropy is consistent with the CFT prediction. We discuss the thermodynamics and verify the near-horizon versions of the first law of thermodynamics and the supersymmetric condition. In this setting, our analysis characterizes the first construction of a rotating black hole geometry in a 5d $\mathcal{N}=2$ supergravity theory that contains hypermultiplets. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_10372 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Microstates of AdS$_5$ black holes with hypermultiplets David, Marina Vekemans, Annelien High Energy Physics - Theory We construct supersymmetric rotating AdS$_5$ black holes in 5d $\mathcal{N}=2$ gauged supergravity coupled to two vector multiplets and a universal hypermultiplet, and verify their microscopic counting from the superconformal index of the dual 4d class $\mathcal{S}$ $\mathcal{N}=1$ SCFTs. From the CFT, we perform the Legendre transform of the index to the microcanonical ensemble. The theories are parametrized by a rational number $z$ which enters into the extremization equations making them more challenging to solve. We present a method to address these difficulties and highlight the subtleties involved. From the gravity perspective, we identify a charged, rotating black hole whose Bekenstein-Hawking entropy matches the prediction from the index for $z=\pm1$. Beyond this value, where hypermultiplet scalars are nonzero, we construct the near-horizon extremal geometry perturbatively around $z= 1$ and verify that the entropy is consistent with the CFT prediction. We discuss the thermodynamics and verify the near-horizon versions of the first law of thermodynamics and the supersymmetric condition. In this setting, our analysis characterizes the first construction of a rotating black hole geometry in a 5d $\mathcal{N}=2$ supergravity theory that contains hypermultiplets. |
| title | Microstates of AdS$_5$ black holes with hypermultiplets |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2502.10372 |