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arxiv: 1412.7855 · v3 · pith:UP3V62C3new · submitted 2014-12-25 · ✦ hep-lat

Grassmann tensor renormalization group for one-flavor lattice Gross-Neveu model with finite chemical potential

Shinji Takeda , Yusuke Yoshimura This is my paper
classification ✦ hep-lat
keywords methodchemicaldensityfinitegrassmanngross-neveugroupgtrg
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We apply the Grassmann tensor renormalization group (GTRG) to the one-flavor lattice Gross-Neveu model in the presence of chemical potential. We compute the fermion number density and its susceptibility and confirm the validity of GTRG for the finite density system. We introduce a method analogous to the reweighting method for Monte Carlo method and test it for some parameters.

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