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@ARTICLE{Riwar:819401,
      author       = {Riwar, Roman and Hosseinkhani, A. and Burkhart, L. D. and
                      Gao, Y. Y. and Schoelkopf, R. J. and Glazman, L. I. and
                      Catelani, G.},
      title        = {{N}ormal-metal quasiparticle traps for superconducting
                      qubits},
      journal      = {Physical review / B},
      volume       = {94},
      number       = {10},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2016-05089},
      pages        = {104516},
      year         = {2016},
      abstract     = {The presence of quasiparticles in superconducting qubits
                      emerges as an intrinsic constraint on their coherence. While
                      it is difficult to prevent the generation of quasiparticles,
                      keeping them away from active elements of the qubit provides
                      a viable way of improving the device performance. Here we
                      develop theoretically and validate experimentally a model
                      for the effect of a single small trap on the dynamics of the
                      excess quasiparticles injected in a transmon-type qubit. The
                      model allows one to evaluate the time it takes to evacuate
                      the injected quasiparticles from the transmon as a function
                      of trap parameters. With the increase of the trap size, this
                      time decreases monotonically, saturating at the level
                      determined by the quasiparticles diffusion constant and the
                      qubit geometry. We determine the characteristic trap size
                      needed for the relaxation time to approach that saturation
                      value.},
      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:000383858800002},
      doi          = {10.1103/PhysRevB.94.104516},
      url          = {https://juser.fz-juelich.de/record/819401},
}