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@ARTICLE{He:888161,
      author       = {He, Y. and Xu, Yifan and Shesterikov, I. and Vergote, M.
                      and Van Schoor, M. and Krämer-Flecken, A. and Cheng, J.},
      title        = {{I}mpact of edge magnetic perturbation ({MP}) on
                      multi-scale turbulence and turbulent transport across a
                      {MP}-induced edge transport reduction in the {TEXTOR}
                      tokamak},
      journal      = {Physics of plasmas},
      volume       = {27},
      number       = {6},
      issn         = {1089-7674},
      address      = {[S.l.]},
      publisher    = {American Institute of Physics},
      reportid     = {FZJ-2020-04735},
      pages        = {062511 -},
      year         = {2020},
      abstract     = {Reduced particle losses have been observed during the
                      operation of an m/n = 6/2 resonant magnetic perturbation
                      in the TEXTOR tokamak. The influence of the perturbation
                      field on multi-scale turbulence and turbulent transport has
                      been surveyed in detail across the perturbation-induced
                      reduction of edge transport. The results indicate that with
                      magnetic perturbation (MP), both the large-scale zonal flows
                      and small-scale drift-wave turbulence are significantly
                      reduced. At high MP currents, a reduction of edge transport
                      can be realized due to primarily the decline of small-scale
                      ambient turbulence and turbulent transport in the ergodic
                      zone, where the turbulence eddy size is largely decreased.
                      Investigation on the dynamic process of fluctuation
                      quantities during the perturbation current ramp-up phase
                      further shows that geodesic acoustic mode zonal flows and
                      their nonlinear interaction with background turbulence
                      decrease incessantly with increasing perturbation current.
                      The transport reduction takes place only after small-scale
                      turbulence starts to be strongly reduced by the MP when the
                      MP strength reaches a certain threshold value},
      cin          = {IEK-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {174 - Plasma-Wall-Interaction (POF3-174)},
      pid          = {G:(DE-HGF)POF3-174},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000542639500002},
      doi          = {10.1063/5.0002022},
      url          = {https://juser.fz-juelich.de/record/888161},
}