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@ARTICLE{Mankowsky:302074,
      author       = {Mankowsky, Roman and Först, M. and Loew, T. and Porras, J.
                      and Keimer, B. and Cavalleri, A.},
      title        = {{C}oherent modulation of the $\mathrm{{YB}a_
                      {2}{C}u_{3}{O}_{6+x}}$ atomic structure by displacive
                      stimulated ionic {R}aman scattering},
      journal      = {Physical review / B},
      volume       = {91},
      number       = {9},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PUBDB-2016-03117},
      pages        = {094308},
      year         = {2015},
      abstract     = {We discuss the mechanism of coherent phonon generation by
                      stimulated ionic Raman scattering, a processdifferent from
                      conventional excitation with near visible optical pulses.
                      Ionic Raman scattering is driven byanharmonic coupling
                      between a directly excited infrared-active phonon mode and
                      other Raman modes. Weexperimentally study the response of
                      YBa$_ 2$Cu$_3$O$_{6+x}$ to the resonant excitation of apical
                      oxygen motions at 20 THzby midinfrared pulses, which has
                      been shown in the past to enhance the interlayer
                      superconducting coupling. Wefind coherent oscillations of
                      four totally symmetric (A$_g$) Raman modes and make a
                      critical assessment of the roleof these oscillatory motions
                      in the enhancement of superconductivity.},
      cin          = {MPSD},
      ddc          = {530},
      cid          = {I:(DE-H253)MPSD-20120731},
      pnm          = {899 - ohne Topic (POF3-899) / Q-MAC - Frontiers in Quantum
                      Materials Control (319286)},
      pid          = {G:(DE-HGF)POF3-899 / G:(EU-Grant)319286},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000352059700002},
      doi          = {10.1103/PhysRevB.91.094308},
      url          = {https://bib-pubdb1.desy.de/record/302074},
}