2 problems

Let $\hbar$ be the semiclassical parameter, let $\theta_{\mathrm{B}}$ be the Bloch angle, and let $A_{\mathrm{ZJJ}}$ and $B_{\mathrm{ZJJ}}$ denote the functions entering the Zinn-J…

For the self-dual Liouville model at $b=1$, consider the Mathieu equation … By Floquet theory, let $\nu(\theta,P^2)$ be its Floquet index, so that there are quasi-periodic solution…