Perturbative estimates on the transport cross section in quantum scattering by hard obstacles
W. De Roeck, E. L. Lakshtanov
Abstract
The quantum scattering by smooth bodies is considered for small and large values of kd, with k the wavenumber and d the scale of the body. In both regimes, we prove that the forward scattering exceeds the backscattering. For high k, we need to assume that the body is strictly convex.
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