Introduction to Black Hole Thermodynamics

2024/12/21 by Edward Witten, Witten, Edward · 5 voices · 21 citations
#hep-th #gr-qc

paper · pdf · doi:10.48550/arxiv.2412.16795

Abstract

These notes aim to provide an introduction to the basics of black hole thermodynamics. After explaining Bekenstein's original proposal that black holes have entropy, we discuss Hawking's discovery of black hole radiation, its analog for Rindler space in the Unruh effect, the Euclidean approach to black hole thermodynamics, some basics about von Neumann entropy and its applications, the Ryu-Takayanagi formula, and the nature of a white hole.

Citations

• A mini-introduction to information theory
• Cool horizons for entangled black holes

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Discussions

• Introduction to Black Hole Thermodynamics Edward Witten arxiv.org/abs/2412.16795 [bsky, 7 points, 0 comments]
• I think so; this is related to the scrambling time of a black hole, which is supposed to be very small. Witten briefly discusses this at the end of his introduction to BH thermodynamics (p 119) [bsky, 2 points, 1 comments]
• Nothing better than a light reading in the holiday season. ;) arxiv.org/abs/2412.16795 [bsky, 0 points, 0 comments]
• Witten spent a lifetime trying the understand the laws of Nature and now is writing lecture notes about everything he understood. What a man. [bsky, 0 points, 0 comments]
• Extraordinary must read by Prof Edward Witten, reminds one of Subrahmanyan Chandrasekhar "The black holes of nature are the most perfect macroscopic objects there are in the universe: the only ele [bsky, 0 points, 0 comments]

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