Photograph of the black hole – The Black Hole Information Paradox

Published on April 12, 2019



On Wednesday the 10th of April, the Event Horizon Telescope program presented the world with the first picture of a black hole ever! This caused a shock wave throughout the scientific community. People all over the world were amazed by the sudden confirmation of Einstein's theory regarding black holes. However, we still have the information paradox to solve. The black hole information paradox is a puzzle resulting from the combination of quantum mechanics and general relativity. Calculations suggest that physical information could permanently disappear in a black hole, allowing many physical states to devolve into the same state. This is controversial because it violates a core precept of modern physics—that in principle the value of a wave function of a physical system at one point in time should determine its value at any other time. A fundamental postulate of the Copenhagen interpretation of quantum mechanics is that complete information about a system is encoded in its wave function up to when the wave function collapses. The evolution of the wave function is determined by a unitary operator, and unitarity implies that information is conserved in the quantum sense. The question is, can we solve this paradox? Thanks to Paul M. Sutter for letting me use his video. Check out his video via this link: https://www.youtube.com/watch?v=iOQi-FInseo

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