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@ARTICLE{Lustfeld:6603,
      author       = {Lustfeld, H. and Hirschfeld, J.A. and Reißel, M. and
                      Steffen, B.},
      title        = {{U}niqueness of magnetotomography for fuel cells and fuel
                      cell stacks},
      journal      = {Journal of physics / A},
      volume       = {42},
      issn         = {1751-8113},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {PreJuSER-6603},
      pages        = {495205},
      year         = {2009},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The criterion for the applicability of any tomographic
                      method is its ability to construct the desired inner
                      structure of a system from external measurements, i.e. to
                      solve the inverse problem. Magnetotomography applied to fuel
                      cells and fuel cell stacks aims at determining the inner
                      current densities from measurements of the external magnetic
                      field. This is an interesting idea since in those systems
                      the inner electric current densities are large, several
                      hundred mA per cm(2) and therefore relatively high external
                      magnetic fields can be expected. Still the question remains
                      how uniquely the inverse problem can be solved. Here we
                      present a proof that by exploiting Maxwell's equations
                      extensively the inverse problem of magnetotomography becomes
                      unique under rather mild assumptions and we show that these
                      assumptions are fulfilled in fuel cells and fuel cell
                      stacks. Moreover, our proof holds true for any other device
                      fulfilling the assumptions listed here. Admittedly, our
                      proof has one caveat: it does not contain an estimate of the
                      precision requirements the measurements need to fulfil for
                      enabling reconstruction of the inner current densities from
                      external magnetic fields.},
      keywords     = {J (WoSType)},
      cin          = {JSC / IFF-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JSC-20090406 / I:(DE-Juel1)VDB781},
      pnm          = {Scientific Computing / Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK411 / G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Multidisciplinary / Physics, Mathematical},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000272162600012},
      doi          = {10.1088/1751-8113/42/49/495205},
      url          = {https://juser.fz-juelich.de/record/6603},
}