A method for calculating binding energies at weak coupling

G. Gat*, Baruch Rosenstein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The Padé approximants method is used for studying bound states in quantum field theories. We show why it works in various quantum mechanical models and test it in solvable QFT models whose spectrum contains bound states: Gross-Neveu and massive Thirring models. The possibility of application to other theories is discussed.

Original languageEnglish
Pages (from-to)143-148
Number of pages6
JournalPhysics Letters B
Issue number1-2
StatePublished - 9 May 1991

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