Homework Statement
At t=0, a given wavefunction is:
\left\langle\theta,\phi|\psi(0)\right\rangle = \frac{\imath}{\sqrt{2}}(Y_{1,1}+Y_{1,-1})
Find \left\langle\theta,\phi|\psi(t)\right\rangle.
Homework Equations
\hat{U}(t)\left|\psi(0)\right\rangle =...