Quantum Anatomy of Supersymmetric Black Holes in AdS Spacetimes
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2024
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| _version_ | 1866917770186194944 |
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| author | Lee, Siyul |
| author_facet | Lee, Siyul |
| contents | The entropy of the universe might decrease if black holes did not have entropy. Hawking's derivation of black hole temperature and the first law of thermodynamics suggest that black holes indeed have entropy. However, Einstein's classical gravity does not allow black holes to have internal degrees of freedom that entropy implies. Thus it is the central mission of quantum gravity to uncover the many quantum microstates of black holes. Via the AdS/CFT correspondence, black holes in Anti-de-Sitter (AdS) spacetimes are dual to ensembles of quantum states in conformal field theories (CFTs). Recently, the number of supersymmetric quantum states in CFTs has been counted to successfully account for the supersymmetric AdS black hole entropy. We take a step forward by studying properties of such supersymmetric quantum states dual to black holes. First, a supersymmetric AdS black hole may exist only if its charges obey a certain relation. We reproduce the same relation from a certain ensemble of the supersymmetric states in CFT. This gives a heuristic derivation of the supersymmetric black hole charge constraint for AdS black holes in $3$, $4$, $5$, and $7$ dimensions from the respective microscopic theories. Second, we find explicit expressions for the black hole cohomologies in the weakly coupled 4d maximal Super-Yang-Mills theory with gauge groups $SU(2)$ and $SU(3)$. These are connected to the actual microstates of quantum black holes in the 5-dimensional AdS spacetime. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2409_03862 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Quantum Anatomy of Supersymmetric Black Holes in AdS Spacetimes Lee, Siyul High Energy Physics - Theory The entropy of the universe might decrease if black holes did not have entropy. Hawking's derivation of black hole temperature and the first law of thermodynamics suggest that black holes indeed have entropy. However, Einstein's classical gravity does not allow black holes to have internal degrees of freedom that entropy implies. Thus it is the central mission of quantum gravity to uncover the many quantum microstates of black holes. Via the AdS/CFT correspondence, black holes in Anti-de-Sitter (AdS) spacetimes are dual to ensembles of quantum states in conformal field theories (CFTs). Recently, the number of supersymmetric quantum states in CFTs has been counted to successfully account for the supersymmetric AdS black hole entropy. We take a step forward by studying properties of such supersymmetric quantum states dual to black holes. First, a supersymmetric AdS black hole may exist only if its charges obey a certain relation. We reproduce the same relation from a certain ensemble of the supersymmetric states in CFT. This gives a heuristic derivation of the supersymmetric black hole charge constraint for AdS black holes in $3$, $4$, $5$, and $7$ dimensions from the respective microscopic theories. Second, we find explicit expressions for the black hole cohomologies in the weakly coupled 4d maximal Super-Yang-Mills theory with gauge groups $SU(2)$ and $SU(3)$. These are connected to the actual microstates of quantum black holes in the 5-dimensional AdS spacetime. |
| title | Quantum Anatomy of Supersymmetric Black Holes in AdS Spacetimes |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2409.03862 |