数学物理学报(英文版) ›› 1990, Vol. 10 ›› Issue (1): 35-37.
宋燠
Song Yu
摘要: This paper generalizes the formula sum from ∑n Ins(v)Ins'(v)=δss' to the case with two different v. Ins(v) is the radial wave function of an electron in a constant magnetic field. These results are very useful in synchroton radiation and astrophysics.