Title: Algebraic perturbation theory for singular potentials
Abstract: A purely algebraic theory based on dynamical groups is developed. It allows one to determine the energy shifts without taking any matrix elements. In particular potentials of the form 1rN and rN are treated explicitly, some examples which cannot be calculated by the usual perturbation theory are discussed.
Publication Year: 1994
Publication Date: 1994-01-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 1
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