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Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics
Entanglement wedge reconstruction and the information paradox
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Conflicts of Interest
Identified Weaknesses
Rating Explanation
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Paper Summary
Paperzilla title
Black Holes Spill the Tea (After the Page Time)
This paper uses entanglement wedge reconstruction in AdS/CFT to show how information escapes from black holes after the Page time. It derives both the Page curve for the entanglement entropy of an evaporating black hole and the Hayden-Preskill criterion for decoding information thrown into the black hole.
Possible Conflicts of Interest
None identified
Identified Weaknesses
Simplified Evaporation Model
The paper assumes a simplified model of black hole evaporation where Hawking radiation is extracted from a region near the horizon without fully accounting for greybody factors. This simplifies calculations but does not reflect the more complex dynamics of real black hole evaporation.
Reliance on Conjectures
The analysis heavily relies on the entanglement wedge reconstruction conjecture and the Ryu-Takayanagi formula. While widely accepted, these are still conjectures, and their limitations in describing black hole interiors are not fully understood.
Extrapolation Beyond Established Framework
The discussion about minimal state dependence for unevaporated black holes goes beyond the established framework of quantum error correction. The justification for applying these concepts in this context is not entirely rigorous.
Rating Explanation
This paper offers valuable insights into the black hole information paradox within AdS/CFT by leveraging entanglement wedge reconstruction. The derivation of the Page curve and the Hayden-Preskill criterion directly from a bulk perspective is a significant contribution. While the paper relies on conjectures and uses a simplified model, its innovative approach and detailed analysis make it a valuable addition to the literature. The rating is 4 because, despite the limitations mentioned, the paper is well-argued, presents significant new ideas and calculations, and adds to our understanding of black hole information.
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File Information
Original Title:
Entanglement wedge reconstruction and the information paradox
File Name:
JHEP09(2020)002.pdf
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File Size:
2.83 MB
Uploaded:
July 14, 2025 at 06:50 AM
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