@转光谱 合并势能项: Un(x,y, =VN(,y,)+e (x,y,) 再进行分离变量 VEry 2M u inlrVin+Uin(x, y, zvrVmn=Eryin 2 rPry ViyrvintUin(a E 2MG Pryin ury 2MuRvR h'vinvin+U(x, v)=e uy合并势能项： U (x, y,z) V (x, y,z) E (x, y,z) i n = NN + e 再进行分离变量 T T i n i n T i n i n T i n E T i n U x y z M           =      −  −  + ( , , ) 2 2 2 2 2 2   U x y z E M i n T i n i n T i n T T i n T i n  =      −  −  + ( , , ) 2 2 2 2 2 2            U x y z E M i n i n i n i n T T T  =      −  −  + ( , , ) 2 2 2 2 2 2       