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In 1985, David Deutsch proposed a variant of the Wigner's friend thought experiment as a test of many-worlds versus the Copenhagen interpretation. [32] It consists of an experimenter (Wigner's friend) making a measurement on a quantum system in an isolated laboratory, and another experimenter (Wigner) who would make a measurement on the first one.
The main conclusion of the authors is that "the Copenhagen interpretation still reigns supreme", receiving the most votes in their poll (42%), besides the rise to mainstream notability of the many-worlds interpretations: "The Copenhagen interpretation still reigns supreme here, especially if we lump it together with intellectual offsprings such ...
While "Copenhagen" refers to the Danish city, the use as an "interpretation" was apparently coined by Heisenberg during the 1950s to refer to ideas developed in the 1925–1927 period, glossing over his disagreements with Bohr. [2] [3] Consequently, there is no definitive historical statement of what the interpretation entails.
In both polls, the Copenhagen interpretation received the largest number of votes. In Tegmark's poll, many-worlds interpretations came in second place, while in the 2011 poll, many-worlds was at third place (18%), behind quantum information approaches in second place (24%).
HT Copenhagen 2-2 Man Utd Wednesday 8 November 2023 21:08 , Mike Jones Rasmus Hojlund’s two goals in half an hour briefly put Manchester United ahead by two in a game for only the second time ...
An alternative interpretation, the Many-worlds Interpretation, was first described by Hugh Everett in 1957 [3] [4] (where it was called the relative state interpretation, the name Many-worlds was coined by Bryce Seligman DeWitt starting in the 1960s and finalized in the 1970s [5]). His formalism of quantum mechanics denied that a measurement ...
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Hugh Everett III (/ ˈ ɛ v ər ɪ t /; November 11, 1930 – July 19, 1982) was an American physicist who, in his 1957 PhD thesis, proposed relative state interpretation of quantum mechanics.