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@INPROCEEDINGS{Xu:1034227,
      author       = {Xu, Xuexin and Vignes, Chloé and Ansari, Mohammad and
                      Martinis, John},
      title        = {{S}tray multiqubit interactions in quantum processors},
      reportid     = {FZJ-2024-07016},
      year         = {2024},
      abstract     = {The advancement of quantum computing encounters a
                      significant hurdle in the form of undesirable stray
                      couplings. These couplings have the potential to impede gate
                      operations and lead to fidelity loss. In this talk, we delve
                      into an investigation of the influence of stray couplings
                      within a multiqubit circuit. We introduce analytical
                      expressions to quantitatively measure these effects,
                      highlighting the essential parameters to mitigate their
                      parasitic impact. We also reveal the feasibility of
                      completely suppressing all stray interactions. Furthermore,
                      our research explores the exciting prospect of achieving
                      multiqubit capabilities surpassing those of traditional
                      two-body interactions. This breakthrough holds promise for
                      enhancing the optimization and overall performance of
                      quantum algorithms.},
      month         = {Mar},
      date          = {2024-03-03},
      organization  = {American Physical Society (APS) March
                       Meeting, Minneapolis (USA), 3 Mar 2024
                       - 8 Mar 2024},
      subtyp        = {Plenary/Keynote},
      cin          = {PGI-2},
      cid          = {I:(DE-Juel1)PGI-2-20110106},
      pnm          = {5214 - Quantum State Preparation and Control (POF4-521) /
                      5215 - Towards Quantum and Neuromorphic Computing
                      Functionalities (POF4-521) / 5221 - Advanced Solid-State
                      Qubits and Qubit Systems (POF4-522) / Verbundprojekt: German
                      Quantum Computer based on Superconducting Qubits (GEQCOS) -
                      Teilvorhaben: Charakterisierung, Kontrolle und Auslese
                      (13N15685) / OpenSuperQPlus - Open Superconducting Quantum
                      Computers (101113946)},
      pid          = {G:(DE-HGF)POF4-5214 / G:(DE-HGF)POF4-5215 /
                      G:(DE-HGF)POF4-5221 / G:(BMBF)13N15685 /
                      G:(EU-Grant)101113946},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1034227},
}