Semi-classical Green functions

Anatoly Anikin, Sergey Dobrokhotov, Vladimir Nazaikinskii +1

Let $H(x,p)\sim H_0(x,p)+h{H}_1(x,p)+\cdots$ be a semi-classical Hamiltonian on $T^{\ast }{\mathbf{R}}^n$, and ${\Sigma }_E=\{H_0(x,p)=E\}$ a non critical energy surface. Consider $f_h$ a semi-classica…