Levinson's theorem and non-local potentials
- 1 June 1976
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 9 (6), L47-L49
- https://doi.org/10.1088/0305-4470/9/6/001
Abstract
The modification of Levinson's theorem for the case of non-local potentials suggested by many authors is shown to be incorrect. The error is a result of overlooking a simple property of the inverse tangent function.Keywords
This publication has 4 references indexed in Scilit:
- Coulomb Effect on the Proton–Proton Low Energy Scattering ParametersCanadian Journal of Physics, 1975
- Properties of the Saito Nonlocal PotentialProgress of Theoretical Physics, 1974
- Positive energy bound states in resonating group calculationsPhysics Letters B, 1974
- Comments on a single separable potential with attraction and repulsionPhysics Letters B, 1969