{"id":"APP-260923-0000","repo_url":"https://github.com/shoaibphysics/blast-freezing-black-hole","versions":[{"v":1,"tag":"v1.0.0","commit":"d0b7c321de223dbc492407d1f368c60d6e38585b","app_publication_id":"app-v1:sha256:f6f3fbd70556b125a03fedff507609438971640271ed8f9e2119f2b616049d74","release_url":"https://github.com/shoaibphysics/blast-freezing-black-hole/releases/tag/v1.0.0","listed_at":"2026-09-23","title":"Blast freezing a black hole","authors":[{"name":"Shoaib Akhtar","affiliation":"Leinweber Institute for Theoretical Physics, Stanford University"},{"name":"Xiao-Liang Qi","affiliation":"Leinweber Institute for Theoretical Physics, Stanford University; OpenAI"}],"domain":"high-energy-theory","tags":["black-hole-evaporation","SYK","bulk-reconstruction","quantum-information"],"paper_summary":"The paper introduces a solvable evaporation model built from coupled SYK systems:\nan initially two-sided black hole is coupled at a finite time to a larger, colder\nbath. In an appropriate large-N and large-p limit, two-point functions and certain\nfour-point probes admit analytic treatment. Boundary correlators determine a\ngeneralized HKLL reconstruction of the emergent bulk geometry.\n\nOperator size and Rényi-2 mutual information track an infalling excitation.\nSecond Rényi entropy tracks entanglement between the evaporating eta system\nand the chi bath, including its oscillatory evolution.\nThe paper argues that information inaccessible to simple probes after blast\nfreezing is preserved in nonlocal many-body degrees of freedom. Its analytic\nlimits, finite-p numerical evidence, and qualitative geometry interpretations\nmust be distinguished when explaining the result."},{"v":2,"tag":"v1.0.1","commit":"5c56576721283cdf6306d8eab3547695eea29b89","app_publication_id":"app-v1:sha256:3bb9a9167e4b09c11cc9bfcd1aca46a6b201840780d99357d93b04c154cf178f","release_url":"https://github.com/shoaibphysics/blast-freezing-black-hole/releases/tag/v1.0.1","listed_at":"2026-09-23","title":"Blast freezing a black hole","authors":[{"name":"Shoaib Akhtar","affiliation":"Leinweber Institute for Theoretical Physics, Stanford University"},{"name":"Xiao-Liang Qi","affiliation":"Leinweber Institute for Theoretical Physics, Stanford University; OpenAI"}],"domain":"high-energy-theory","tags":["black-hole-evaporation","SYK","bulk-reconstruction","quantum-information"],"paper_summary":"The paper introduces a solvable evaporation model built from coupled SYK systems:\nan initially two-sided black hole is coupled at a finite time to a larger, colder\nbath. In an appropriate large-N and large-p limit, two-point functions and certain\nfour-point probes admit analytic treatment. Boundary correlators determine a\ngeneralized HKLL reconstruction of the emergent bulk geometry.\n\nOperator size and Rényi-2 mutual information track an infalling excitation.\nSecond Rényi entropy tracks entanglement between the evaporating eta system\nand the chi bath, including its oscillatory evolution.\nThe paper argues that information inaccessible to simple probes after blast\nfreezing is preserved in nonlocal many-body degrees of freedom. Its analytic\nlimits, finite-p numerical evidence, and qualitative geometry interpretations\nmust be distinguished when explaining the result."}]}