Black hole information paradox

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Artist's representation of a black hole

The black hole information paradox results from the combination of quantum mechanics and general relativity. It suggests that physical information could permanently disappear in a black hole, allowing many physical states to evolve into the same state. This is controversial because it violates a commonly assumed tenet of science—that in principle complete information about a physical system at one point in time should determine its state at any other time. A fundamental postulate of quantum mechanics is that complete information about a system is encoded in its wave function. The evolution of the wave function is determined by a unitary operator, and unitarity implies that information is conserved in the quantum sense.

• See also: Wikipedia

• Related: AdS/CFT correspondence, Black hole complementarity, Cosmic censorship hypothesis, Fuzzball (string theory), Holographic principle, Maxwell's Demon

Black Hole Information Loss Problem Black Hole Information Loss Problem math.ucr.edu/.../info_loss.html - Web

Report Report www.newscientist.com/news/news.jsp?id=ns99996193 - Web

Report Report www.nature.com/news/2004/040715/full/news040712-12.html - Web

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Hawking and unitarity Hawking and unitarity motls.blogspot.com/2005/07/hawking-and-unitarity.html - Web

The Hawking Paradox - BBC Horizon documentary (200... The Hawking Paradox - BBC Horizon documentary (2005) www.bbc.co.uk/.../hawking_prog_summary.shtml - Web

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