| 单词 | jj-coupling |
| 释义 | > as lemmasjj-coupling jj-coupling, an approximation used in the quantum theory of the atom when the spin-orbit interaction of individual electrons is large compared with the remaining electrostatic interaction between one electron and another, so that spin and orbital angular momenta may be coupled to give a resultant j for each electron, and the resultants in turn coupled to give the total angular momentum J of the electrons. Cf. LS-coupling at L n. 6b.extracted from Jn.< as lemmas |
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