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@INPROCEEDINGS{Lagemann:906575,
      author       = {Lagemann, Hannes},
      title        = {{R}eal-time simulations of the quantum approximate
                      optimisation algorithm with a circuit {H}amiltonian model},
      reportid     = {FZJ-2022-01526},
      year         = {2022},
      abstract     = {The quantum approximate optimisation algorithm (or QAOA) is
                      a variational algorithm. The algorithm consists of two
                      parts. A quantum step which evaluates a cost function and a
                      classical step which performs the optimisation. The hope is
                      that the classical optimisation step can mitigate errors
                      which appear in state-of-the-art quantum processors.We
                      investigate this idea by simulating the time evolution of
                      superconducting quantum processors with two and three
                      qubits. The model which generates the dynamics of the system
                      is a lumped-element circuit Hamiltonian model. We find that
                      in this model the classical optimisation step can mitigate
                      some of the gate errors which are caused by imperfect
                      two-qubit gates.},
      month         = {Jan},
      date          = {2022-01-18},
      organization  = {Jülich Quantum Computing Seminar,
                       Online (Germany), 18 Jan 2022 - 18 Jan
                       2022},
      subtyp        = {Other},
      cin          = {JSC},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511) / OpenSuperQ - An Open
                      Superconducting Quantum Computer (820363) / PhD no Grant -
                      Doktorand ohne besondere Förderung (PHD-NO-GRANT-20170405)},
      pid          = {G:(DE-HGF)POF4-5111 / G:(EU-Grant)820363 /
                      G:(DE-Juel1)PHD-NO-GRANT-20170405},
      typ          = {PUB:(DE-HGF)31},
      url          = {https://juser.fz-juelich.de/record/906575},
}