Abstract
Upper and lower limits for the number of bound states in a given central potential are obtained. They imply that for strongly attractive potentials the number of bound states of given angular momentum increases as the square root of the strength of the potential.
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Calogero, F. Upper and lower limits for the number of bound states in a given central potential. Commun.Math. Phys. 1, 80–88 (1965). https://doi.org/10.1007/BF01649591
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DOI: https://doi.org/10.1007/BF01649591