Evaluation of the Witten Index in 1+1 Dimensional Supersymmetric Models with O(N) Symmetry

YU Yangzheng; LIN Tingting

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Evaluation of the Witten Index in 1+1 Dimensional Supersymmetric Models with O(N) Symmetry

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摘要

We present a way to calculate the Witten indexΔfor a class of l+l dimensional supersymmetric(SUSY)models with O(N)symmetry.SinceΔis invariant under an adiabatic change of parameters,an O(N)non-invariant but SUSY term 2hФN is added to the Lagrangian,therefore the degeneracy of zero-energy states due to O(N)symmetry is removed.It is shown that SUSY breaking can occur for the SUSY O(N)Wess-Zumino model.

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来源
《中国物理快报：英文版》 |1991年第4期|168-171|共4页
作者
YU Yangzheng; LIN Tingting;
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作者单位

Department of Physics;

Xiamen University;

Xiamen 361005;

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原文格式 PDF
正文语种 chi
中图分类理论物理学;
关键词
symmetry; model; symmetric;

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Evaluation of the Witten Index in 1+1 Dimensional Supersymmetric Models with O(N) Symmetry

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