Semiclassical estimates of the cut-off resolvent for trapping perturbations

Details Semiclassical estimates of the cut-off resolvent for trapping perturbations Semiclassical estimates of the cut-off resolvent for trapping perturbations

2012-01-26

arxiv.org/abs/1201.5573v1

Physics

Mathematical Physics

19 pages

Scientific paper

This paper is devoted to the study of a semiclassical "black box" operator $P$. We estimate the norm of its resolvent truncated near the trapped set by the norm of its resolvent truncated on rings far away from the origin. For $z$ in the unphysical sheet with $- h |ln h| < Im z < 0$, we prove that this estimate holds with a constant $h |Im z|^{-1} e^{C|Im z|/h}$. We also obtain analogous bounds for the resonances states of $P$. These results hold without any assumption on the trapped set neither any assumption on the multiplicity of the resonances.

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