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@ARTICLE{Hille:878045,
      author       = {Hille, Cornelia and Rohe, Daniel and Honerkamp, Carsten and
                      Andergassen, Sabine},
      title        = {{P}seudogap opening in the two-dimensional {H}ubbard model:
                      {A} functional renormalization group analysis},
      journal      = {Physical review research},
      volume       = {2},
      number       = {3},
      issn         = {2643-1564},
      address      = {College Park, MD},
      publisher    = {APS},
      reportid     = {FZJ-2020-02601},
      pages        = {033068},
      year         = {2020},
      abstract     = {Using the recently introduced multiloop extension of the
                      functional renormalization group, we compute the frequency-
                      and momentum-dependent self-energy of the two-dimensional
                      Hubbard model at half filling and weak coupling. We show
                      that, in the truncated-unity approach for the vertex, it is
                      essential to adopt the Schwinger-Dyson form of the
                      self-energy flow equation in order to capture the pseudogap
                      opening. We provide an analytic understanding of the key
                      role played by the flow scheme in correctly accounting for
                      the impact of the antiferromagnetic fluctuations. For the
                      resulting pseudogap, we present a detailed numerical
                      analysis of its evolution with temperature, interaction
                      strength, and loop order.},
      cin          = {JSC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / Simulation and Data Laboratory Quantum
                      Materials (SDLQM) (SDLQM)},
      pid          = {G:(DE-HGF)POF3-511 / G:(DE-Juel1)SDLQM},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000604139600006},
      doi          = {10.1103/PhysRevResearch.2.033068},
      url          = {https://juser.fz-juelich.de/record/878045},
}