Physics – Mathematical Physics
Scientific paper
2007-02-23
Physics
Mathematical Physics
Scientific paper
10.1007/s11005-007-0178-7
We consider one dimensional scattering and show how the presence of a mild positive barrier separating the interaction region from infinity implies that the bound and antibound states are symmetric modulo exponentially small errors in 1/h. This simple result was inspired by a numerical experiment and we describe the numerical scheme for an efficient computation of resonances in one dimension.
Bindel David
Zworski Maciej
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