含时微扰 H=Ho+H(t)=Ho+aw(t) )m)=Em m),(mn=8mn,mml iha p)=hy H()=∑,cn()e-"nx) ∑,cnem"Wm2() =(em-En)/h Wmn (t)=(mIN含时微扰 W t m W n i c c e W t t c t e n i H H m m m n m m H H H t H W t m n m n m n m n i t t m n n i t n n t m m n m n n = = −  =  =   =  = = = = + = +    − ( ) ( )/ ( ) ( ) ( ) , , 1 '( ) ( ) / 0 0 0             