- #1

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## Homework Statement

https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-prn2/1483071_10151813160569290_1331827985_n.jpg

## Homework Equations

[tex]\left|\psi ,t\right\rangle=\sum_i c_i(t)e^{-\frac{i E_n t}{\hbar}}\left|n\right\rangle[/tex]

## The Attempt at a Solution

I'm quite lost on how to even start this. I can work out that the hamiltonian is[tex]H(t)=\gamma S_z B(t)[/tex]Then I tried to put that into the time-dependant shrodinger equation. [tex]-i\hbar \frac{d}{dt}\left|\psi(t)\right\rangle=H(t)\left|\psi(t)\right\rangle[/tex]but I am not really sure if this is correct or even how to begin solving this.