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@ARTICLE{Sarvestani:861459,
      author       = {Sarvestani, Esmaeel and Zhang, Gouren and Gorelov, Evgeny
                      and Pavarini, Eva},
      title        = {{E}ffective masses, lifetimes, and optical conductivity in
                      {S}r 2 {R}u{O} 4 and {S}r 3 {R}u 2 {O} 7 : {I}nterplay of
                      spin-orbit, crystal-field, and {C}oulomb tetragonal tensor
                      interactions},
      journal      = {Physical review / B},
      volume       = {97},
      number       = {8},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2019-01924},
      pages        = {085141},
      year         = {2018},
      abstract     = {By using the local-density approximation + dynamical
                      mean-field theory approach, we study the low-energy
                      electronic properties and the optical conductivity of the
                      layered ruthenates Sr2RuO4 and Sr3Ru2O7. We study the
                      interplay of spin-orbit, crystal-field, and Coulomb
                      interactions, including the tetragonal terms of the Coulomb
                      tensor. We show that the spin-orbit interaction is
                      multifaced; depending on the parameter regime, filling, and
                      temperature, it can either enhance or reduce the effective
                      strength of correlations. We compare the results based on
                      the two common approximations for the screened Coulomb
                      parameters, the constrained random-phase approximation
                      (cRPA) and the constrained local-density approximation. We
                      show that the experimental Drude peak is better reproduced
                      by the cRPA parameters, hinting to relatively small mass
                      renormalizations. We find that including the spin-orbit
                      interaction is, however, important, for a realistic
                      description. We show that Coulomb terms with tetragonal D4h
                      symmetry have a strong effect on the mass-enhancement
                      anisotropy, but they do not affect sizably the total
                      spectral function or the in-plane conductivity.},
      cin          = {IAS-3 / JARA-HPC},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-3-20090406 / $I:(DE-82)080012_20140620$},
      pnm          = {144 - Controlling Collective States (POF3-144) /
                      Spin-orbital order-disorder transitions in strongly
                      correlated systems $(jiff46_20161101)$ / Multiplet effects
                      in strongly correlated materials $(jiff41_20091101)$},
      pid          = {G:(DE-HGF)POF3-144 / $G:(DE-Juel1)jiff46_20161101$ /
                      $G:(DE-Juel1)jiff41_20091101$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000425603600006},
      doi          = {10.1103/PhysRevB.97.085141},
      url          = {https://juser.fz-juelich.de/record/861459},
}