| 单词 | quantum defect |
| 释义 | > as lemmasquantum defect quantum defect n. a number representing the degree to which an energy level of an atom with a single valence electron is displaced relative to the corresponding level of the hydrogen atom, being the amount by which the actual principal quantum number of the level exceeds the effective value of the number. ΘΚΠ the world > matter > physics > quantum theory > [noun] > quantum number quantum number1902 quantum defect1915 principal quantum number1922 magnetic quantum number1923 1915 Astrophysical Jrnl. 61 67 Theoretically, the ‘residual’ or ‘quantum defect’ should always be negative. 1970 G. K. Woodgate Elem. Atomic Struct. vi. 105 We consider the sequence iso-electronic with sodium... The ionization potentials for this sequence..together with the quantum defect δ(s)..are given below. 2003 B. M. Smirnov Physics of Atoms & Ions vi. 157 The quantum defect decreases strongly with an increase in the electronic orbital momentum l, because the higher the electronic orbital momentum, the less the probability for the electron to locate near the atomic core. < as lemmas |
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