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Article type: Research Article
Authors: Jollivet, Alexandre
Affiliations: Laboratoire de Mathématiques Paul Painlevé, CNRS UMR 8524/Université Lille 1 Sciences et Technologies, 59655 Villeneuve d'Ascq cedex, France. E-mail: alexandre.jollivet@math.univ-lille1.fr
Abstract: We define scattering data for the Newton equation in a potential V∈C2(Rn,R), n≥2, that decays at infinity like r−α for some α∈(0,1]. We provide estimates on the scattering solutions and scattering data and we prove, in particular, that the scattering data at high energies uniquely determine the short range part of the potential up to the knowledge of the long range tail of the potential. The Born approximation at fixed energy of the scattering data is also considered. We then change the definition of the scattering data and consider also inverse scattering in other asymptotic regimes. These results were obtained by developing the inverse scattering approach of Novikov [Ark. Mat. 37 (1999), 141–169].
Keywords: inverse scattering at high energies, Newton equation in a long range potential, inverse problems
DOI: 10.3233/ASY-141244
Journal: Asymptotic Analysis, vol. 90, no. 1-2, pp. 105-132, 2014
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