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@ARTICLE{Zeller:281511,
      author       = {Zeller, Rudolf},
      title        = {{T}he {K}orringa–{K}ohn–{R}ostoker method with
                      projection potentials: exact result for the density},
      journal      = {Journal of physics / Condensed matter},
      volume       = {27},
      number       = {30},
      issn         = {1361-648X},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2016-01200},
      pages        = {306301},
      year         = {2015},
      abstract     = {A well known problem in the Korringa–Kohn–Rostoker
                      (KKR) multiple-scattering method concerns the error in
                      density normalization arising from finite angular momentum
                      expansions used in numerical treatments. It is shown that
                      this problem can be solved if the potential around each atom
                      is understood as a non-local projection potential in angular
                      momentum space and that the density can be calculated
                      exactly without infinite angular momentum sums if the
                      projection acts on a finite subspace of spherical harmonics.
                      This restriction implicates no loss of generality because an
                      arbitrary potential can be approximated by increasing the
                      subspace as closely as desired.},
      cin          = {IAS-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-3-20090406},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000358585900015},
      doi          = {10.1088/0953-8984/27/30/306301},
      url          = {https://juser.fz-juelich.de/record/281511},
}