单词 | principle of indeterminacy |
释义 | > as lemmasprinciple of indeterminacy principle of indeterminacy n. (or indeterminacy principle) ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > matrix mechanics > [noun] > uncertainty principle principle of indeterminacy1928 (Heisenberg's) uncertainty principle1929 1928 A. S. Eddington Nature Physical World x. 220 It was Heisenberg again who set in motion the new development in the summer of 1927, and the consequences were further elucidated by Bohr. The outcome of it is a fundamental general principle which seems to rank in importance with the principle of relativity. I shall here call it the ‘principle of indeterminacy’. The gist of it can be stated as follows: a particle may have position or it may have velocity but it cannot in any exact sense have both. 1938 W. S. Maugham Summing Up 289 Of late the Principle of Indeterminacy, by bringing to view certain events to which apparently no causes can be assigned, has cast a doubt on the universal efficacy of those laws upon which science has hitherto been based. 1959 Listener 1 Oct. 519/1 Heisenberg's principle of indeterminacy showed that the process of observing could affect the observation. 1964 D. Rosenthal Introd. Properties Metals iv. 68 There is the unavoidable lack of resolution caused by the interaction between waves and particles and deriving from the fundamental behavior of matter and energy (the indeterminacy principle). 1971 Physics Bull. June 329/2 It led Heisenberg to formulate his principle of indeterminacy, postulating that a measurement of one property of an entity, such as its momentum, involved an inevitable uncertainty in our knowledge of the conjugate property, such as its position. < as lemmas |
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