| 单词 | occupation number |
| 释义 | > as lemmasoccupation number occupation number n. Physics the number of particles in a system that are in any given energy level or quantum state. ΘΚΠ the world > matter > physics > quantum theory > quantum mechanics > wave mechanics > [noun] > number of particles occupation number1949 1949 Proc. Royal Soc. A. 199 363 The investigation..seems to show conclusively that the orthodox expression for the occupation number Nr is not universally valid and that the true distribution law is more complicated. 1974 G. Reece tr. F. Hund Hist. Quantum Theory xiii. 180 Jordan was thus entitled to express his hope of a quantum wave theory of matter in which the numbers of particles would be the occupation numbers Nr of the discrete quantum wave states. 1997 Philos. Trans. (Royal Soc.) A. 355 2389 The number of ‘excitations’ is a constant (the number of photons plus the occupation number of the upper state cannot change..). < as lemmas |
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