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@ARTICLE{Liarte:826190,
      author       = {Liarte, Danilo B and Posen, Sam and Transtrum, Mark K and
                      Catelani, Gianluigi and Liepe, Matthias and Sethna, James P},
      title        = {{T}heoretical estimates of maximum fields in
                      superconducting resonant radio frequency cavities: stability
                      theory, disorder, and laminates},
      journal      = {Superconductor science and technology},
      volume       = {30},
      number       = {3},
      issn         = {1361-6668},
      address      = {Bristol},
      publisher    = {IOP Publ.},
      reportid     = {FZJ-2017-00436},
      pages        = {033002 -},
      year         = {2017},
      abstract     = {Theoretical limits to the performance of superconductors in
                      high magnetic fields parallel to their surfaces are of key
                      relevance to current and future accelerating cavities,
                      especially those made of new higher-T c materials such as
                      Nb3Sn, NbN, and MgB2. Indeed, beyond the so-called
                      superheating field ${H}_{\mathrm{sh}}$, flux will
                      spontaneously penetrate even a perfect superconducting
                      surface and ruin the performance. We present intuitive
                      arguments and simple estimates for ${H}_{\mathrm{sh}}$, and
                      combine them with our previous rigorous calculations, which
                      we summarize. We briefly discuss experimental measurements
                      of the superheating field, comparing to our estimates. We
                      explore the effects of materials anisotropy and the danger
                      of disorder in nucleating vortex entry. Will we need to
                      control surface orientation in the layered compound MgB2?
                      Can we estimate theoretically whether dirt and defects make
                      these new materials fundamentally more challenging to
                      optimize than niobium? Finally, we discuss and analyze
                      recent proposals to use thin superconducting layers or
                      laminates to enhance the performance of superconducting
                      cavities. Flux entering a laminate can lead to so-called
                      pancake vortices; we consider the physics of the dislocation
                      motion and potential re-annihilation or stabilization of
                      these vortices after their entry.},
      cin          = {PGI-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-2-20110106},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000392203800001},
      doi          = {10.1088/1361-6668/30/3/033002},
      url          = {https://juser.fz-juelich.de/record/826190},
}