{ "id": "1606.03575", "version": "v1", "published": "2016-06-11T10:52:56.000Z", "updated": "2016-06-11T10:52:56.000Z", "title": "On wave operators for Schrödinger operators with threshold singuralities in three dimensions", "authors": [ "Kenji Yajima" ], "comment": "21 pages", "categories": [ "math-ph", "math.MP" ], "abstract": "We show that wave operators for three dimensional Schr\\\"odinger operators $H=-\\Delta + V$ with threshold singularities are bounded in $L^1({\\mathbb R}^3)$ if and only if zero energy resonances are absent from $H$ and the existence of zero energy eigenfunctions does not destroy the $L^1$-boundedness of wave operators for $H$ with the regular threshold behavior. We also show in this case that they are bounded in $L^p({\\mathbb R}^3)$ for all $1\\leq p \\leq \\infty$ if all zero energy eigenfunctions $\\phi(x)$ have vanishing first three moments: $\\int_{{\\mathbb R}^3} x^\\alpha V(x)\\phi(x)dx=0$, $|\\alpha|=0,1,2$.", "revisions": [ { "version": "v1", "updated": "2016-06-11T10:52:56.000Z" } ], "analyses": { "subjects": [ "35P25", "81U05", "47A40" ], "keywords": [ "wave operators", "schrödinger operators", "threshold singuralities", "zero energy eigenfunctions", "dimensions" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable" } } }