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@ARTICLE{Hunt:302090,
      author       = {Hunt, C. R. and Nicoletti, D. and Kaiser, S. and Takayama,
                      T. and Takagi, H. and Cavalleri, A.},
      title        = {{T}wo {D}istinct {K}inetic {R}egimes for the {R}elaxation
                      of {L}ight-{I}nduced {S}uperconductivity in
                      $\mathrm{{L}a_{1.675}{E}u_{0.2}{S}r_{0.125}{C}u{O}_4}$},
      journal      = {Physical review / B},
      volume       = {91},
      number       = {2},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PUBDB-2016-03133},
      pages        = {020505},
      year         = {2015},
      abstract     = {We address the kinetic competition between charge striped
                      order and superconductivity in $La_{1.675}$Eu$_{0.2}$
                      Sr$_{0.125}$CuO$_4$. Ultrafast optical excitation is tuned
                      to a midinfrared vibrational resonance that destroys charge
                      order and promptly establishes transient coherent interlayer
                      coupling in this material. This effect is evidenced by the
                      appearance of a longitudinal plasma mode reminiscent of a
                      Josephson plasma resonance. We find that coherent interlayer
                      coupling can be generated up to the charge-order transition
                      T$_{CO}$ ≈ 80 K, far above the equilibrium superconducting
                      transition temperature of any single layer cuprate. Two key
                      observations are extracted from the relaxation kinetics of
                      the interlayer coupling. First, the plasma mode relaxes
                      through a collapse of its coherence length and not its
                      density. Second, two distinct kinetic regimes are observed
                      for this relaxation, above and below spin-order transition
                      T$_{SO}$ ≈ 25 K. In particular, the
                      temperature-independent relaxation rate observed below
                      T$_{SO}$ is anomalous and suggests coexistence of
                      superconductivity and stripes rather than competition. Both
                      observations support arguments that a low temperature
                      coherent stripe (or pair density wave) phase suppresses
                      c-axis tunneling by disruptive interference rather than by
                      depleting the condensate.},
      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:000348677100004},
      doi          = {10.1103/PhysRevB.91.020505},
      url          = {https://bib-pubdb1.desy.de/record/302090},
}