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@ARTICLE{Loukakos:56613,
      author       = {Loukakos, P. A. and Lisowski, M. and Bihlmayer, G. and
                      Blügel, S. and Wolf, M. and Bovensiepen, U.},
      title        = {{D}ynamics of the {S}elf-{E}nergy of the {G}d(0001)
                      {S}urface {S}tate {P}robed by {F}emtosecond {P}hotoemission
                      {S}pectroscopy},
      journal      = {Physical review letters},
      volume       = {98},
      issn         = {0031-9007},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-56613},
      pages        = {097401},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Transient changes of the complex self-energy of the
                      5d(z)(2) surface state on Gd(0001) after intense optical
                      excitation are investigated by femtosecond time-resolved
                      photoemission. We observe an ultrafast (< 100 fs) broadening
                      of the linewidth due to e-e scattering followed by a
                      decrease of the binding energy due to thermal expansion of
                      the lattice. In addition, we resolve a periodic breathing of
                      the band structure which originates from a coherent phonon.
                      An amplitude of 1 pm is derived from the binding energy
                      shift upon lattice displacement calculated by density
                      functional theory.},
      keywords     = {J (WoSType)},
      cin          = {CNI / IFF-1 / JARA-FIT / JARA-SIM},
      ddc          = {550},
      cid          = {I:(DE-Juel1)VDB381 / I:(DE-Juel1)VDB781 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)VDB1045},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Multidisciplinary},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000244592100055},
      doi          = {10.1103/PhysRevLett.98.097401},
      url          = {https://juser.fz-juelich.de/record/56613},
}