>k=nI a=1,23 22 →>E= 2ma2 2n=1,2,3,… 由B=0和k= (x)=Asin n/Ac y( M(xdc=1→A2 波函数为v(x)=V2sin=1,23,…→ = ,n = 1,2,3, a n k   , 1,2,3, 2 2 2 2 2 → = n = ma n En  由B = 0 和 a n k  = a n x x A  ( ) = sin a x dx A a 2 ( ) 1 2 0 = → =   波函数为 a n x a x   sin 2 ( ) = n = 1,2,3, 