question is attached.
i'm stuck on the part of the question in the second paragraph. we have that at time 0, f = (f_1+f_2)/rt2 = f_+ (where i'm writing f for phi), and it evolves from that point by the Schrödinger equation. And i want to find f.
err. so the answer looks like sin and cos are going to appear. but that would require, i imagine, second time derivatives. and i can't see how they'd come about.
quantum mechanics/solving a DE. watch
- Thread Starter
- 16-11-2008 17:15
(Original post by Chewwy)
- 16-11-2008 17:23
(i.e. the probability of remeasuring the initial state S(t=0) at some later time t)
Spoiler:ShowYou know how stationary states evolve right? Just solve E f_ = -ih f_/2pi to get the form of S(t)
Spoiler:ShowThis will leave some sum of complex exponentials, which you can form a cos term fromLast edited by MC REN; 16-11-2008 at 17:36.