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@ARTICLE{Kim:1019025,
      author       = {Kim, Jangho and Luu, Thomas and Unger, Wolfgang},
      title        = {{U}({N}) gauge theory in the strong coupling limit on a
                      quantum annealer},
      journal      = {Physical review / D},
      volume       = {108},
      number       = {7},
      issn         = {2470-0010},
      address      = {Ridge, NY},
      publisher    = {American Physical Society},
      reportid     = {FZJ-2023-05088},
      pages        = {074501},
      year         = {2023},
      abstract     = {Lattice QCD in the strong coupling regime can be formulated
                      in dual variables, which are integer-valued. It can be
                      efficiently simulated for modest finite temperatures and
                      finite densities via the worm algorithm, circumventing the
                      finite density sign problem in this regime. However, the low
                      temperature regime is more expensive to address. As the
                      partition function is solely expressed in terms of integers,
                      it can be cast as a combinatorial optimization problem that
                      can be solved on a quantum annealer. We will first explain
                      the setup of the system we want to study and then present
                      its reformulation suitable for a quantum annealer, and in
                      particular the D wave. As a proof of concept, we present
                      first results obtained on D wave for gauge group U(1) and
                      U(3), and outline the next steps towards gauge groups SU(3).
                      We find that in addition, histogram reweighting greatly
                      improves the accuracy of our observables when compared to
                      analytic results.},
      cin          = {IAS-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IAS-4-20090406},
      pnm          = {5111 - Domain-Specific Simulation $\&$ Data Life Cycle Labs
                      (SDLs) and Research Groups (POF4-511) / DFG project
                      443914323 - Symmetrie-verletzende hadronische
                      Wechselwirkungen in der Gitter-QCD (A10*) (443914323)},
      pid          = {G:(DE-HGF)POF4-5111 / G:(GEPRIS)443914323},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1103/PhysRevD.108.074501},
      url          = {https://juser.fz-juelich.de/record/1019025},
}