section_heading: Posebni slučajevi
paragraph_text: <center><math> \underbrace{i \hbar \partial_t \vec \varphi_\pm = \left( \frac{(\underline{\vec p}-q \vec A)^2}{2 m} + q \phi \right) \hat 1 \vec \varphi_\pm}_\mathrm{Schr\ddot{o}dingerova~jednadzba} - \underbrace{\frac{q \hbar}{2m}\vec{\hat \sigma} \cdot \vec B \vec \varphi_\pm}_\text{Stern Gerlachov izraz}</math>.</center>