- \item Born-Oppenheimer approximation:\\
- Decouple electronic \& ionic motion
- \item Hohenberg-Kohn theorem:\\
- $n_0(r) \stackrel{\text{uniquely}}{\rightarrow}$
- $V_0$ / $H$ / $\Phi_i$ / \underline{$E_0$}
+ \item $\Psi_0(r_1,r_2,\ldots,r_N)=\Psi[n_0(r)]$, $E_0=E[n_0]$
+ \item Single-particle effective theory
+% \item Born-Oppenheimer approximation:\\
+% Decouple electronic \& ionic motion
+% \item Hohenberg-Kohn theorem:\\
+% $n_0(r) \stackrel{\text{uniquely}}{\rightarrow}$
+% $V_0$ / $H$ / $\Phi_i$ / \underline{$E_0$}