单词 | electron spin |
释义 | > as lemmaselectron spin electron spin n. Particle Physics the intrinsic angular momentum of an electron, denoted by the quantum number s; the property of an electron by virtue of which it possesses this momentum. ΚΠ 1926 Nature 20 Feb. 264/2 The dotted lines represent the position of the energy levels to be expected in the absence of the spin of the electron.] 1926 Proc. National Acad. Sci. U.S.A. 12 452 There seems to be no reason a priori why the magneto-magnetical ratio for the electron spin should be even of the same order of magnitude as for an electron revolving in an orbit. 1935 A. Farkas Orthohydrogen, Parahydrogen & Heavy Hydrogen ii. 4 The distinction between the hydrogen modifications is based on the different orientations of the nuclear spins, while in the case of helium it depends on the orientation of the electron spins. 1992 D. G. Campbell Crystal Desert x. 197 Magnetite is a mixture of ferric and ferrous iron, which have opposite electron spins and therefore create a miniature magnetic dipole. < as lemmas |
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