The Ising model as a window on quantum gravity with matter
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866915281891229696 |
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| author | Janik, Romuald A. |
| author_facet | Janik, Romuald A. |
| contents | We argue that the Ising model CFT can be used to obtain some clear insights into 3D (quantum) gravity with matter. We review arguments for the existence of its holographic description, and concentrate on the time dependence of perturbations of the theory at high temperature, which would correspond to throwing matter into a black hole in the dual picture. Apart from an expected QNM-like exponential damping, we observe a plateau, a burst and a subsequent re-emergence of the whole signal, the latter being apparently at odds with a black hole interpretation. We provide an explanation of this phenomenon in terms of the properties of bulk matter fields interacting with the BTZ black hole and the fact that the geometry/metric is not fundamental but a derived quantity in the Chern-Simons formulation of 3D gravity. This allows for evading the black hole information paradox in the present context. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_19015 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Ising model as a window on quantum gravity with matter Janik, Romuald A. High Energy Physics - Theory Statistical Mechanics General Relativity and Quantum Cosmology Quantum Physics We argue that the Ising model CFT can be used to obtain some clear insights into 3D (quantum) gravity with matter. We review arguments for the existence of its holographic description, and concentrate on the time dependence of perturbations of the theory at high temperature, which would correspond to throwing matter into a black hole in the dual picture. Apart from an expected QNM-like exponential damping, we observe a plateau, a burst and a subsequent re-emergence of the whole signal, the latter being apparently at odds with a black hole interpretation. We provide an explanation of this phenomenon in terms of the properties of bulk matter fields interacting with the BTZ black hole and the fact that the geometry/metric is not fundamental but a derived quantity in the Chern-Simons formulation of 3D gravity. This allows for evading the black hole information paradox in the present context. |
| title | The Ising model as a window on quantum gravity with matter |
| topic | High Energy Physics - Theory Statistical Mechanics General Relativity and Quantum Cosmology Quantum Physics |
| url | https://arxiv.org/abs/2502.19015 |