Solution of Bethe-Salpeter equation with Padé approximants
Publication date
1968-08-05
Authors
Nieland, H.M.
Tjon, J.A.
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Article
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Abstract
The Bethe-Salpeter equation for the πN system in the ladder approximation with N exchange is solved in the elastic region using Padé approximants. It is shown that the lowest order diagonal approximant [1,1] is a bad approximation for this case.