Abstract
Explicit lower bounds are given for the size of the imaginary parts of resonances for Schrödinger operators with non-trapping or trapping potentials, and for the Dirichlet Laplacian in the exterior of a star-shaped obstacle, both acting in three dimensions.
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Communicated by B. Simon
Work partially supported by DiUC/FONDECYT (Chile)
Work partially supported by U.S. National Science Foundation grant DMS 8705610
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Fernandez, C., Lavine, R. Lower bounds for resonance widths in potential and obstacle scattering. Commun.Math. Phys. 128, 263–284 (1990). https://doi.org/10.1007/BF02108782
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DOI: https://doi.org/10.1007/BF02108782