Matrix Padé approximants and the Bethe-Salpeter equation of the N-N interaction

A. Gersten, D. A. Owen, J. L. Gammel, P. Mery, G. Turchetti

Research output: Contribution to journalReview articlepeer-review

3 Scopus citations

Abstract

We discuss the problem of which diagrams should be taken for the matrix Padé analysis and for the Bethe-Salpeter equation. We relate the "potential" of the Bethe-Salpeter equation with bare intermediate nucleons to the "potential" of the Bethe-Salpeter equation with dressed intermediate nucleons. We discuss the origin of the differences in recent calculations of the nucleon-nucleon phase shifts based on matrix Padé approximants.

Original languageEnglish
Pages (from-to)1140-1143
Number of pages4
JournalPhysical Review D
Volume13
Issue number4
DOIs
StatePublished - 1 Jan 1976

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