Two-loop beta-functions of the sine - Gordon model

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18 Citations (Scopus)


We recalculate the two-loop beta-functions in the two-dimensional sine - Gordon model in a two-parameter expansion around the asymptotically free point. Our results agree with those of Amit et al (Amit D J, Goldschmidt Y Y and Grinstein G 1980 J. Phys. A: Math. Gen. 13 585).

Original languageEnglish
Pages (from-to)6543-6547
Number of pages5
JournalJournal of Physics A: Mathematical and General
Issue number37
Publication statusPublished - Sep 22 2000

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)

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