Abstract
A new type of point interactions for the Laplacian in \({ \mathbb R^3 }\) is constructed generalizing classical Fermi pseudopotential. This model leads to a new resolvent formula and a non-trivial scattering matrix in p-channel.
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This article is based on the presentation by P. Kurasov at the Fifth Workshop on Critical Stability, Erice, Sicily. P. Kurasov is supported in part by Swedish Research Council Grant number 500092501.
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Kurasov, P. How to Model p-Scattering Using Point Interactions and Related Problems. Few-Body Syst 45, 187–190 (2009). https://doi.org/10.1007/s00601-009-0025-8
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DOI: https://doi.org/10.1007/s00601-009-0025-8