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This document presents a coherent picture of black hole quantum mechanics by clarifying the origin and interpretation of the Bekenstein-Hawking entropy. The entropy arises from coarse-graining the fundamental microscopic degrees of freedom of quantum gravity to obtain semiclassical field theory. This implies that detailed microscopic physics like Hawking radiation are not visible in semiclassical theory. The existence of many microscopic states corresponding to the same semiclassical background allows c
- Author
- satyabasha
- Language
- EN