Time evolution under a spin-Z Hamiltonian
= Time evolution under a spin-Z Hamiltonian
The propagator $e^{i\gamma BtS_z/\hbar}$ multiplies each magnetic component $|s,m\rangle$ by $e^{im\gamma Bt}$.
= Time evolution under a spin-Z Hamiltonian
The propagator $e^{i\gamma BtS_z/\hbar}$ multiplies each magnetic component $|s,m\rangle$ by $e^{im\gamma Bt}$.