Week 7, Thursday The Coleman-Weinberg Effective Potential \begin{equation} V_\text{eff}(\varphi) = V(\varphi) – \frac{i\hbar}{2} \int \frac{d^4k}{(2\pi)^4} log \left( \frac{k^2 – V”(\varphi)}{k^2} \right) + O(\hbar^2) \end{equation} TODO: type my lecture notes