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Hawking Radiation | Space Time

By: PBS Space TimePublished: 3 months ago

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It’s the most famous prediction of perhaps the most famous genius of our time ... Stephen Hawking's theory of Hawking Radiation.

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Soon after Einstein revealed his great general theory of relativity in 1915, physicists realized that it allowed for the possibility of catastrophic gravitational collapse. In places of extreme density like the dead core of a massive star, space and time could be dragged inwards to create a hole in the universe: a boundary in spacetime called an event horizon that could be entered, but from beyond which nothing could return. Once formed, there was nothing in theory or imagination that could bring material consumed back to the outside universe. These black holes should exist forever – only growing, never shrinking.

References:

Black Hole Explosions?
S. W. Hawking (1974)
https://www.nature.com/articles/248030a0 (paywall)

Particle Breation by Black Holes
S. W. Hawking (1975)
https://link.springer.com/article/10.1007%2FBF02345020 (paywall)
https://projecteuclid.org/euclid.cmp/1103899181

Hawking Radiation as Tunneling
M. K. Parikh & F. Wilczek (2002)
https://arxiv.org/abs/hep-th/9907001

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