The exact mass gap of the Gross-Neveu model (II). The 1/N expansion

P. Forgács, F. Niedermayer, P. Weisz

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Abstract

The ratio of the mass gap to the Λ-parameter for the O(N) symmetric Gross-Neveu model is calculated to order 1/N. The result agrees with an exact formula derived previously by us. Furthermore the exact result is compared to estimates obtained from latticesimulations.

Original languageEnglish
Pages (from-to)144-157
Number of pages14
JournalNuclear Physics, Section B
Volume367
Issue number1
DOIs
Publication statusPublished - Dec 16 1991

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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