i\hbar\frac{\partial}{\partial t}\left|\Psi(t)\right>=H\left|\Psi(t)\right>$
For inline math (inside a paragraph):
The time-dependent Schrödinger equation is \( i\hbar\frac{\partial}{\partial t}\left|\Psi(t)\right\rangle = H\left|\Psi(t)\right\rangle \).
Jeremies work focussed on \( A_n \) this.
For display math (centered and on its own line):
\[ i\hbar\frac{\partial}{\partial t}\left|\Psi(t)\right\rangle = H\left|\Psi(t)\right\rangle \]
\[ A_n\]