英语词汇“roton”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

roton

释义

roton Physics.|ˈrəʊtɒn|
[f. rotation + -on¹.]
A quantum or quasiparticle associated with vortical motion in a liquid, esp. in liquid helium.
1941L. Landau in Jrnl. Physics U.S.S.R. V. 75/2 An ‘elementary excitation’ of the vortex spectrum might be called a ‘roton’. [Note] This name was suggested by I. E. Tamm.1947Physical Rev. LXXII. 852/1 In Landau's theory, the excited atoms of the Bose-Einstein theory are replaced by ‘rotons’.1968New Scientist 25 July 198/3 The evaporation of helium atoms due to the decay of ‘rotons’, the elementary rotational excitations of liquid helium.1973Nature 9 Nov. 66/1 A new type of elementary excitation, christened the ³He roton, may exist in liquid ³He–⁴He mixtures.1977New Scientist 3 Mar. 507/1 The physical nature of the roton still remains a mystery some thirty years after their existence was first postulated by Landau, although they have been detected in numerous experiments.

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