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@ARTICLE{Hsu:877571,
      author       = {Hsu, Hao and Silveri, Matti and Gunyhó, András and Goetz,
                      Jan and Catelani, Gianluigi and Möttönen, Mikko},
      title        = {{T}unable refrigerator for nonlinear quantum electric
                      circuits},
      journal      = {Physical review / B},
      volume       = {101},
      number       = {23},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2020-02296},
      pages        = {235422},
      year         = {2020},
      abstract     = {The emerging quantum technological applications call for
                      fast and accurate initialization of the corresponding
                      devices to low-entropy quantum states. To this end, we
                      theoretically study a recently demonstrated quantum-circuit
                      refrigerator in the case of nonlinear quantum electric
                      circuits such as superconducting qubits. The maximum
                      refrigeration rate of transmon and flux qubits is observed
                      to be roughly an order of magnitude higher than that of
                      usual linear resonators, increasing flexibility in the
                      design. We find that for typical experimental parameters,
                      the refrigerator is suitable for resetting different qubit
                      types to fidelities above $99.99\%$ in a few or a few tens
                      of nanoseconds depending on the scenario. Thus the
                      refrigerator appears to be a promising tool for quantum
                      technology and for detailed studies of open quantum
                      systems.},
      cin          = {PGI-11},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-11-20170113},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000539494900008},
      doi          = {10.1103/PhysRevB.101.235422},
      url          = {https://juser.fz-juelich.de/record/877571},
}