ON THE BETA-FUNCTION FOR SIGMA-MODELS WITH N=1 SUPERSYMMETRY

被引：6

作者：

GRACEY, JA

机构：

[1] Research Institute for Theoretical Physics, University of Helsinki, SF-00170 Helsinki

来源：

PHYSICS LETTERS B | 1990年 / 246卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(90)91316-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

By expanding the critical exponent β′(gc) of the supersymmetric σ model on SN, which has been calculated to O( 1 N2) in the large N expansion, near two dimensions, we demonstrate that the coefficients of the β-function of σ models with N = 1 supersymmetry, in the minimal subtraction scheme, involve the Riemann zeta function and their products at four loops and all subsequent orders in perturbation theory. © 1990.

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页码：114 / 118

页数：5

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