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Black hole created from the concentration of energy From Wikipedia, the free encyclopedia
A kugelblitz (German: [ˈkuːɡl̩ˌblɪt͡s] ) is a theoretical astrophysical object predicted by general relativity. It is a concentration of heat, light or radiation so intense that its energy forms an event horizon and becomes self-trapped. In other words, if enough radiation is aimed into a region of space, the concentration of energy can warp spacetime so much that it creates a black hole. This would be a black hole whose original mass–energy was in the form of radiant energy rather than matter;[1] however, there is currently no uniformly accepted method of distinguishing black holes by origin.
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John Archibald Wheeler's 1955 Physical Review paper entitled "Geons" refers to the kugelblitz phenomenon and explores the idea of creating such particles (or toy models of particles) from spacetime curvature.[2]
A study published in Physical Review Letters in 2024 argues that the formation of a kugelblitz is impossible due to dissipative quantum effects like vacuum polarization, which prevent sufficient energy buildup to create an event horizon.[3] The study concludes that such a phenomenon cannot occur in any realistic scenario within our universe.
The kugelblitz phenomenon has been considered a possible basis for interstellar engines (drives) for future black hole starships.[4][5][non-primary source needed]
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