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

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          Abstract

          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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          Author and article information

          Journal
          25 December 2014
          2015-01-26
          Article
          10.1093/ptep/ptv022
          1412.7855
          7a21eead-8f0e-4f73-b50b-8d1874478c1b

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          History
          Custom metadata
          KANAZAWA-14-10
          18 pages, 8 figures
          hep-lat

          High energy & Particle physics
          High energy & Particle physics

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