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@ARTICLE{Ciaccio:190030,
      author       = {Ciaccio, G. and Schmitz, O. and Abdullaev, S. S. and
                      Frerichs, H. and Agostini, M. and Scarin, P. and Spizzo, G.
                      and Vianello, N. and White, R. B.},
      title        = {{P}lasma edge transport with magnetic islands—a
                      comparison between tokamak and reversed-field pinch},
      journal      = {Nuclear fusion},
      volume       = {54},
      number       = {6},
      issn         = {1741-4326},
      address      = {Vienna},
      publisher    = {IAEA},
      reportid     = {FZJ-2015-02993},
      pages        = {064008},
      year         = {2014},
      abstract     = {In the reversed-field pinch (RFP) edge, measured transport
                      and flows are strongly influenced by magnetic islands
                      (Vianello 2013 Nucl. Fusion 53 073025). In fact, these
                      islands determine a differential radial diffusion of
                      electrons and ions which, interacting with the wall, give
                      rise to a characteristic edge ambipolar potential. Such
                      island structures also arise in tokamak plasmas, when
                      resonant magnetic perturbations (RMPs) are applied for
                      control of edge-localized modes. They impose a
                      characteristic modulation to edge electron density and
                      temperature fields, in close correlation with the local
                      magnetic vacuum topology (Schmitz 2012 Nucl. Fusion 52
                      054001). In order to develop a generic picture of particle
                      transport with magnetic islands located in the plasma edge
                      between RFPs and tokamaks with RMP, test-particle transport
                      simulations are done on TEXTOR with the same tool used in
                      RFX-mod, namely, the guiding-centre code ORBIT (White and
                      Chance 1984 Phys. Fluids 27 2455–67). A typical TEXTOR
                      discharge in the (m, n) = (12, 4) configuration is
                      reconstructed and analysed with ORBIT. We use Poincaré and
                      connection length analysis of electrons and ion orbits to
                      analyse the magnetic structure taking into account the
                      different gyro-orbits of both constituents. Density
                      distributions of test ions and electrons are calculated and
                      used to obtain an initial estimate of the plasma potential
                      and radial electric field around the island.},
      cin          = {IEK-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-4-20101013},
      pnm          = {132 - Tokamak physics for ITER and beyond (POF2-132)},
      pid          = {G:(DE-HGF)POF2-132},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000336893100009},
      doi          = {10.1088/0029-5515/54/6/064008},
      url          = {https://juser.fz-juelich.de/record/190030},
}