Three-loop finiteness of the two-dimensional supersymmetric nonlinear π-models on generalized ricci-flat manifolds with torsion

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Abstract

We prove the absence of the three-loop correction to the β-function of the two-dimensional N=1 supersymmetric nonlinear σ-model with torsion. Hence, the supersymmetric σ-models with torsion defined on the generalized Ricci-flat ( R ̂ab = 0) manifolds are three-loop finite.

Original languageEnglish
Pages (from-to)140-144
Number of pages5
JournalPhysics Letters B
Volume207
Issue number2
DOIs
Publication statusPublished - 16 Jun 1988

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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