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@ARTICLE{Stock:202458,
      author       = {Stock, C. and Rodriguez-Rivera, J. A. and Schmalzl, K.
                      and Rodriguez, E. E. and Stunault, A. and Petrovic, C.},
      title        = {{S}ingle to {M}ultiquasiparticle {E}xcitations in the
                      {I}tinerant {H}elical {M}agnet {C}e{R}h{I}n $_{5}$},
      journal      = {Physical review letters},
      volume       = {114},
      number       = {24},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-04672},
      pages        = {247005},
      year         = {2015},
      abstract     = {CeRhIn5 is an itinerant magnet where the Ce3+ spins order
                      in a simple helical phase. We investigate the spin
                      excitations and observe sharp spin waves parameterized by a
                      nearest-neighbor exchange, JRKKY=0.88±0.05  meV. At
                      higher energies, the spin fluctuations are heavily damped,
                      where single-quasiparticle excitations are replaced by a
                      momentum- and energy-broadened continuum constrained by
                      kinematics of energy and momentum conservation. The delicate
                      energy balance between localized and itinerant characters
                      results in the breakdown of the single-quasiparticle picture
                      in CeRhIn5.},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT},
      ddc          = {550},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6213 - Materials
                      and Processes for Energy and Transport Technologies
                      (POF3-621) / 6G4 - Jülich Centre for Neutron Research
                      (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6213 / G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000356484700004},
      doi          = {10.1103/PhysRevLett.114.247005},
      url          = {https://juser.fz-juelich.de/record/202458},
}