Abstract
We study the Schrödinger operator with a potential that vanishes at infinity but the rate of falloff of the potential depends on the direction. It turns out that for such potentials scattering theory becomes in general multichannel.
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Communicated by J. Ginibre
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Yafaev, D.R. On the break-down of completeness of wave operators in potential scattering. Commun.Math. Phys. 65, 167–179 (1979). https://doi.org/10.1007/BF01225147
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DOI: https://doi.org/10.1007/BF01225147