英语词汇“asymptotic”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

asymptotic

释义

asymptotic, a.|æsɪmˈtɒtɪk|
[f. prec. + -ic, after Gr. πτωτικός.]
1. Math. = next.
1671Phil. Trans. VI. 3065 Asymptotick spaces..comprised between two lines, which being infinitely prolonged do never meet.1881Maxwell Electr. & Magn. I. 167 The equi⁓potential surfaces have each of them an asymptotic plane.
2. asymptotic freedom (Particle Physics): an absence of coupling between quarks and gluons which is approached as their energy increases but is never attained.
[1973Gross & Wilczek in Physical Rev. Lett. 25 June XXX. 1343 We have found that they [sc. non-Abelian gauge theories] possess the remarkable feature..of asymptotically approaching free-field theory. Such asymptotically free theories will exhibit, for matrix elements of currents between on-mass-shell states, Bjorken scaling.]1973Physical Rev. D 15 Nov. VIII. 3646/1 In the case of pure gauge theories asymptotic freedom provides no constraint.1974Physics Rep. XLV. 133 The discovery of asymptotic freedom has opened new avenues in strong interaction theory.1976Sci. Amer. Nov. 56/3 Ultraviolet freedom is also known as asymptotic freedom, because the state of completely independent movement is approached asymptotically and never actually achieved.1979Nature 29 Mar. 408/2 QCD loses its property of asymptotic freedom if there are more than 16 quark flavours.1981M. Gell-Mann in J. H. Mulvey Nature of Matter viii. 172 This notion of ‘asymptotic freedom’ suggested by the theory has been amply confirmed by experiment.

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