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arxiv: 1711.08121 · v1 · pith:IKUWH42Snew · submitted 2017-11-22 · ✦ hep-lat

Calculation of fermionic Green functions with Grassmann higher-order tensor renormalization group

classification ✦ hep-lat
keywords functionsfermionicgrassmanngreengrouphigher-ordermethodrenormalization
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We develop calculational method for fermionic Green functions in the framework of Grassmann higher-order tensor renormalization group. The validity of the method is tested by applying it to three-dimensional free Wilson fermion system. We compare the numerical results for chiral condensate and two-point correlation functions with the exact ones obtained by analytical methods.

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