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Many-worlds is also called the relative state formulation or the Everett interpretation, after physicist Hugh Everett, who first proposed it in 1957. [ 4 ] [ 5 ] Bryce DeWitt popularized the formulation and named it many-worlds in the 1970s.
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 what is now known as the many-worlds interpretation (MWI) of quantum mechanics.
Schrödinger's cat in the many-worlds interpretation, where a branching of the universe occurs through a superposition of two quantum mechanical states. Hugh Everett III's many-worlds interpretation (MWI) is one of several mainstream interpretations of quantum mechanics.
[3] [4] Copenhagen-type ideas were never universally embraced, and challenges to a perceived Copenhagen orthodoxy gained increasing attention in the 1950s with the pilot-wave interpretation of David Bohm and the many-worlds interpretation of Hugh Everett III. [3] [5] [6] The physicist N. David Mermin once quipped, "New interpretations appear ...
DeWitt formulated the Wheeler–DeWitt equation for the wave function of the universe with John Archibald Wheeler and advanced the formulation of Hugh Everett's many-worlds interpretation of quantum mechanics. [1] With his student Larry Smarr, he originated the field of numerical relativity. [8]: 25–35, 37
The concept of universal wavefunction was introduced by Hugh Everett in his 1956 PhD thesis draft The Theory of the Universal Wave Function. [8] It later received investigation from James Hartle and Stephen Hawking [9] who derived the Hartle–Hawking solution to the Wheeler–deWitt equation to explain the initial conditions of the Big Bang ...
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 ...
Parallel Worlds, Parallel Lives is a BAFTA-winning [3] television documentary broadcast in 2007 on BBC Scotland and BBC Four, in which American rock musician Mark Oliver Everett talks with physicists and the former colleagues of his father—Hugh Everett—about his father's many-worlds interpretation of quantum mechanics.