Abstract
A combination of geometric and algebraic methods is used to prove asymptotic completeness for Schrödinger-type equations with potential not vanishing at infinity along hyperboloids (in spacetime), and with the free Hamiltonian given by the (not bounded below) relativistic (mass)2 operator. The proof is based on the use of a modified form of local compactness and additional geometric properties of asymptotic scattering states which are needed to distinguish them from states ‘trapped’ inside some hyperboloid for all times.
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Supported in part by the Fund for Basic Research administered by the Israeli Academy of Sciences and Humanities Basic Research Foundation.
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Soffer, A. Completeness of wave operators in relativistic quantum mechanics. Lett Math Phys 8, 517–527 (1984). https://doi.org/10.1007/BF00400982
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DOI: https://doi.org/10.1007/BF00400982