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@ARTICLE{Ueba:12968,
      author       = {Ueba, H. and Ootsuka, Y. and Paulsson, M. and Persson, B.
                      N. J.},
      title        = {{L}ateral hopping of {CO} on {C}u(111) induced by
                      femtosecond laser pulses},
      journal      = {Physical review / B},
      volume       = {82},
      number       = {12},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-12968},
      pages        = {121411},
      year         = {2010},
      note         = {We thank K. Morgenstern for the experimental results prior
                      to publication and discussions. We also thank M. Mehlhorn
                      and H. Gawronski for their helps in the numerical
                      calculations of T<INF>el</INF> and T<INF>ph</INF> for Cu.
                      H.U. was supported by the Grant-in-Aid for Scientific
                      Research B (No. 18340085) from the Japan Society for the
                      Promotion of Science (JSPS). B.N.J.P. was supported by
                      Invitation Program for Research in Japan from JSPS.},
      abstract     = {We present a theoretical study of the lateral hopping of a
                      single CO molecule on Cu (111) induced by femtosecond laser
                      pulses by Mehlhorn et al. [Phys. Rev. Lett. 104, 076101
                      (2010)]. Our model assumes an intermode coupling between the
                      CO frustrated translation (FT) and frustrated rotation (FR)
                      modes with a weak and strong electronic friction coupling to
                      hot electrons, respectively, and heat transfer between the
                      FT mode and the substrate phonons. In this model the
                      effective electronic friction coupling of the FT mode
                      depends on the absorbed laser fluence F through the
                      temperature of the FR mode. The calculated hopping yield as
                      a function of F nicely reproduces the nonlinear increase
                      observed above F=4.0 J/m(2). It is found that the electronic
                      heating via friction coupling nor the phonon coupling alone
                      cannot explain the experimental result. Both heatings are
                      cooperatively responsible for CO hopping on Cu (111). The
                      electronic heat transfer dominates over the phononic one at
                      high F, where the effective electronic friction coupling
                      becomes larger than the phononic coupling.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB781},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000282008500002},
      doi          = {10.1103/PhysRevB.82.121411},
      url          = {https://juser.fz-juelich.de/record/12968},
}