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@INPROCEEDINGS{Nocon:844313,
      author       = {Nocon, Madita and Willsch, Dennis and Jin, Fengping and De
                      Raedt, Hans and Michielsen, Kristel},
      title        = {{S}uperconducting flux qubits compared to ideal two-level
                      systems as building blocks for quantum annealers},
      reportid     = {FZJ-2018-01746},
      year         = {2018},
      abstract     = {For quantum computers, two theoretical models are nowadays
                      considered to be the most important: the gate-based quantum
                      computer and the quantum annealer.Gate-based quantum
                      computers are based on computational gates just like
                      classical computers, but have potentially more computational
                      power due to the algebra behind quantum theory. A quantum
                      annealer works fundamentally different: First the system is
                      prepared in a known ground state of an initial Hamiltonian,
                      then this Hamiltonian is adiabatically transformed into the
                      final Hamiltonian whose ground state corresponds to the
                      solution of a given problem, usually taken from the class of
                      optimization problems.Quantum annealing works well in theory
                      if the qubits can be modeled as two-level systems. However,
                      in real devices, the qubits are not based on perfect
                      two-level systems, but on a two-dimensional subspace of a
                      larger system. This makes approximations in analytic
                      calculations unavoidable.With a simulation utilizing the
                      Suzuki-Trotter product-formula approach to solve the
                      time-dependent Schrödinger equation, the time-evolution of
                      the full state of such a device based onsuperconducting flux
                      qubits is investigated.},
      month         = {Feb},
      date          = {2018-02-22},
      organization  = {NIC Symposium 2018, Jülich (Germany),
                       22 Feb 2018 - 23 Feb 2018},
      subtyp        = {Other},
      cin          = {JSC},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / PhD no Grant - Doktorand ohne besondere
                      Förderung (PHD-NO-GRANT-20170405)},
      pid          = {G:(DE-HGF)POF3-511 / G:(DE-Juel1)PHD-NO-GRANT-20170405},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/844313},
}