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@ARTICLE{Liebsch:12050,
      author       = {Liebsch, A.},
      title        = {{S}pectral weight of doping-induced states in the
                      two-dimensional {H}ubbard model},
      journal      = {Physical review / B},
      volume       = {81},
      number       = {23},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-12050},
      pages        = {235133},
      year         = {2010},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The spectral weight of states induced in the Mott gap via
                      hole doping in the two-dimensional Hubbard model is studied
                      within cluster dynamical mean-field theory combined with
                      finite-temperature exact diagonalization. If the cutoff
                      energy is chosen to lie just below the upper Hubbard band,
                      the integrated weight per spin is shown to satisfy W+(delta)
                      >= delta (delta denotes the total number of holes), in
                      agreement with model predictions by Eskes et al. [Phys. Rev.
                      Lett. 67, 1035 (1991)]. However, if the cutoff energy is
                      chosen to lie in the range of the pseudogap, W+(delta)
                      remains much smaller than delta and approximately saturates
                      near delta approximate to 0.2, ..., 0.3. The analysis of
                      recent x-ray absorption spectroscopy data therefore depends
                      crucially on the appropriate definition of the integration
                      window.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB781},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000279335400001},
      doi          = {10.1103/PhysRevB.81.235133},
      url          = {https://juser.fz-juelich.de/record/12050},
}