Point interaction in dimension two and three as models of small scatterers
classification
❄️ cond-mat
quant-ph
keywords
dimensionpointthreeadditionattractiveconventionalenergyinteraction
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In addition to the conventional renormalized--coupling--constant picture, point interactions in dimension two and three are shown to model within a suitable energy range scattering on localized potentials, both attractive and repulsive.
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