41.态的表象 6/61 如果平(x,t)和un(x)都是归一化的,则 l(r, t)Idx= ∑ am(t)an(t)/um(r)un(r)dx ∑an()an()nm mn ∑ am(t)an(t) (4.1-9) 由此可知,|an2是在W(x,t)所描写的态中测量力学量Q所测得 的结果为本Qn的几率.数列 a1(t1),a2(1),…an(t), (4.1-10) 就是(x,1)所描写的态在Q表向中的表示.我们可以把(41-10)写成 ●Fist●Prev·Next●Last● Go Back● Full Screen●cose●Quit• First • Prev • Next • Last • Go Back • Full Screen • Close • Quit §4.1. L 6/61 XJ Ψ(x, t) Ú un(x) Ñ´8z§K Z |Ψ(x, t)| 2 dx = X nm a ∗ m(t)an(t) Z u ∗ m(x)un(x)dx = X mn a ∗ m(t)an(t)δnm = X n a ∗ n (t)an(t) = 1. (4.1-9) ddŒ§|an| 2 ´3 Ψ(x, t) ¤£¥ÿþåÆþ Q ¤ÿ (J Qn AÇ©ê a1(t), a2(t), · · · an(t), · · · . (4.1-10) Ò´ Ψ(x, t) ¤£3 Q L•¥L«©·‚Œ±r(4.1-10)¤