Abstract
We consider the exterior Dirichlet problem in R 3 for the Schrödinger equation with a Coulomb potential. For such a Schrödinger equation defined in all of R 3 , the so-called reference problem, a fundamental solution is known in terms of Whittaker functions and the appropriate radiation conditions and the asymptotic behaviour of solutions can easily be obtained. Consequently, we can prove the limiting absorption principle, establish the existence of solutions to exterior boundary-value problems and show that the associated wave operators exist. This then enables questions concerning the asymptotic behaviour of time dependent solution of the exterior problem to be resolved in terms of the reference problem.
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Schedule a callMore From: Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences
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