一道量子力学的证明题一道证明题A particle is in the ground state of a box of
一道量子力学的证明题 一道证明题 A particle is in the ground state of a box of length L. Suddenly the box expands(symmetrically) to twice its size,leaving the wave function undisturbed. Show that the probability of finding the particle in the ground state of the new box is (8/3π)^2(平方) 请问这个怎么证明,