Vanishing Next-to-Leading Corrections to the β-Function of the SUSY CPN−1 Model in Three Dimensions

@article{Inami2000VanishingNC,
  title={Vanishing Next-to-Leading Corrections to the $\beta$-Function of the SUSY CPN−1 Model in Three Dimensions},
  author={Takeo Inami and Yorinori Saito and Masayoshi Yamamoto},
  journal={Progress of Theoretical Physics},
  year={2000},
  volume={103},
  pages={1283-1288}
}
We study the ultraviolet properties of the supersymmetric CP N�1 sigma model in three dimensions to next-to-leading order in the 1/N expansion. We calculate the β-function to this order and verify that it has no next-to-leading order corrections. 1. Introduction The supersymmetric CP N −1 sigma model in low dimensions has many interesting features. In two dimensions this model shares a few physical properties with supersymmetric gauge theories in four dimensions. 1), 2) Namely, perturbatively… 

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