Remarks on the Fundamental Solution to Schrödinger Equation with Variable Coefficients

Kenichi Ito, Shu Nakamura

We consider Schrödinger operators $H$ on $R^n$ with variable coefficients. Let $H_0=-\frac{1}{2}△$ be the free Schrödinger operator and we suppose $H$ is a "short-range" pertur…