Improved results for N=(2,2) super Yang-Mills theory using supersymmetric discrete light-cone quantization

Details Improved results for N=(2,2) super Yang-Mills theory using supersymmetric discrete light-cone quantization Improved results for N=(2,2) super Yang-Mills theory using supersymmetric discrete light-cone quantization

2004-04-19

arxiv.org/abs/hep-th/0404123v1

Phys.Rev. D70 (2004) 045015

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, 8 figures

Scientific paper

10.1103/PhysRevD.70.045015

We consider the (1+1)-dimensional ${\cal N}=(2,2)$ super Yang--Mills theory which is obtained by dimensionally reducing ${\cal N}=1$ super Yang--Mills theory in four dimension to two dimensions. We do our calculations in the large-$N_c$ approximation using Supersymmetric Discrete Light Cone Quantization. The objective is to calculate quantities that might be investigated by researchers using other numerical methods. We present a precision study of the low-mass spectrum and the stress-energy correlator $$. We find that the mass gap of this theory closes as the numerical resolution goes to infinity and that the correlator in the intermediate $r$ region behaves like $r^{-4.75}$.

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