SEMI-CLASSICAL RESOLVENT ESTIMATES FOR L ∞ POTENTIALS ON RIEMANNIAN MANIFOLDS
Résumé
We prove semi-classical resolvent estimates for the Schrödinger operator with a real-valued L ∞ potential on non-compact, connected Riemannian manifolds which may have a compact smooth boundary. We show that the resolvent bound depends on the structure of the man-ifold at infinity. In particular, we show that for compactly supported real-valued L ∞ potentials and asymptoticaly Euclidean manifolds the resolvent bound is of the form exp(Ch −4/3 log(h −1)), while for asymptoticaly hyperbolic manifolds it is of the form exp(Ch −4/3), where C > 0 is some constant.
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