A time-dependent,two Hilbert space approach to long-range quantum scattering |
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Authors: | Denis A W White |
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Institution: | (1) Department of Mathematics, University of Toledo, 43606 Toledo, OH, U.S.A. |
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Abstract: | Scattering of a quantum mechanical particle by a long-range potential is studied using Enss's time-dependent method. More precisely, a simple and natural extension of the Enss method to a two Hilbert space setting is established. Applied to the consideration of long-range scattering, this extended Enss method reduces the problem of proving existence and completeness of the wave operators to the problem of solving an eikonal equation on a cone in phase space. Relying on a solution of the eikonal equation constructed by Isozaki and Kitada, it is shown that the wave operators exist and are complete whenever the potential is in the long-range class introduced by Hörmander. |
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