Entanglement inequalities, black holes and the architecture of typical states
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866911624671002624 |
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| author | Gannouji, Radouane Mukhopadhyay, Ayan Pinochet, Nicolas |
| author_facet | Gannouji, Radouane Mukhopadhyay, Ayan Pinochet, Nicolas |
| contents | Using holographic realizations of the Araki-Lieb (AL) inequality, we show that typical pure states in large $N$ holographic CFTs possess two characteristic length scales determined solely by energy and conserved charges: a microscopic $L_{\mathrm{UV}}$ and an infrared $L_{\mathrm{IR}} > L_{\mathrm{UV}}$. Degrees of freedom between these scales effectively factorize -- one purifying the ultraviolet (scales $< L_{\mathrm{UV}}$) and the other the infrared sector (scales $> L_{\mathrm{IR}}$). Remarkably, the pure state factor including the ultraviolet sector is determined only by the energy and conserved charges up to exponentially suppressed corrections. Our results imply that all black holes in anti-de Sitter space can be isolated from an asymptotic region, the corona, that is formed by the inclusion of entanglement wedges for which the AL inequality is saturated, and an effective factorization emerges in the buffer region between the corona and the outer horizon. Crucially, we reproduce predictions of the eigenstate thermalization hypothesis and generalize them to rotating thermal ensembles. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_02903 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Entanglement inequalities, black holes and the architecture of typical states Gannouji, Radouane Mukhopadhyay, Ayan Pinochet, Nicolas High Energy Physics - Theory General Relativity and Quantum Cosmology Using holographic realizations of the Araki-Lieb (AL) inequality, we show that typical pure states in large $N$ holographic CFTs possess two characteristic length scales determined solely by energy and conserved charges: a microscopic $L_{\mathrm{UV}}$ and an infrared $L_{\mathrm{IR}} > L_{\mathrm{UV}}$. Degrees of freedom between these scales effectively factorize -- one purifying the ultraviolet (scales $< L_{\mathrm{UV}}$) and the other the infrared sector (scales $> L_{\mathrm{IR}}$). Remarkably, the pure state factor including the ultraviolet sector is determined only by the energy and conserved charges up to exponentially suppressed corrections. Our results imply that all black holes in anti-de Sitter space can be isolated from an asymptotic region, the corona, that is formed by the inclusion of entanglement wedges for which the AL inequality is saturated, and an effective factorization emerges in the buffer region between the corona and the outer horizon. Crucially, we reproduce predictions of the eigenstate thermalization hypothesis and generalize them to rotating thermal ensembles. |
| title | Entanglement inequalities, black holes and the architecture of typical states |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2511.02903 |