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@ARTICLE{Fauseweh:201747,
      author       = {Fauseweh, Benedikt and Pasini, Stefano and Uhrig, Götz S.},
      title        = {{F}requency-modulated pulses for quantum bits coupled to
                      time-dependent baths},
      journal      = {Physical review / A},
      volume       = {85},
      number       = {2},
      issn         = {1050-2947},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-04041},
      pages        = {022310},
      year         = {2012},
      abstract     = {We consider the coherent control of a quantum bit by the
                      use of short pulses with finite duration τp. By shaping the
                      pulse, we perturbatively decouple the dynamics of the bath
                      from the dynamics of the quantum bit during the pulse. Such
                      shaped pulses provide single quantum bit gates robust
                      against decoherence which are useful for quantum-information
                      processing. We extend previous results in two ways: (i) we
                      treat frequency-modulated pulses and (ii) we pass from
                      time-independent baths to analytically time-dependent baths.
                      First- and second-order solutions for π and π/2 pulses are
                      presented. They are useful in experiments where amplitude
                      modulation is difficult to realize},
      cin          = {ICS-1 / Neutronenstreuung ; JCNS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ICS-1-20110106 / I:(DE-Juel1)JCNS-1-20110106},
      pnm          = {451 - Soft Matter Composites (POF2-451) / 54G - JCNS
                      (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-451 / G:(DE-HGF)POF2-54G24},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000300081500005},
      doi          = {10.1103/PhysRevA.85.022310},
      url          = {https://juser.fz-juelich.de/record/201747},
}