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@ARTICLE{Zeuch:888362,
      author       = {Zeuch, D. and Bonesteel, N. E.},
      title        = {{E}fficient two-qubit pulse sequences beyond {CNOT}},
      journal      = {Physical review / B},
      volume       = {102},
      number       = {7},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2020-04868},
      pages        = {075311},
      year         = {2020},
      abstract     = {We design efficient controlled-rotation gates with
                      arbitrary angle acting on three-spin encoded qubits for
                      exchange-only quantum computation. Two pulse sequence
                      constructions are given. The first is motivated by an
                      analytic derivation of the efficient Fong-Wandzura sequence
                      for an exact cnot gate. This derivation, briefly reviewed
                      here, is based on elevating short sequences of swap pulses
                      to an entangling two-qubit gate. To go beyond cnot, we apply
                      a similar elevation to a modified short sequence consisting
                      of swaps and one pulse of arbitrary duration. This results
                      in two-qubit sequences that carry out controlled-rotation
                      gates of arbitrary angle. The second construction
                      streamlines a class of arbitrary cphase gates established
                      earlier. Both constructions are based on building two-qubit
                      sequences out of subsequences with special properties that
                      render each step of the construction analytically
                      tractable.},
      cin          = {PGI-11 / PGI-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-11-20170113 / 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:000562629100003},
      doi          = {10.1103/PhysRevB.102.075311},
      url          = {https://juser.fz-juelich.de/record/888362},
}