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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