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@ARTICLE{Bauls:301340,
      author       = {Bañuls, Mari Carmen and Cichy, Krzysztof and Jansen, Karl
                      and Saito, Hana},
      title        = {{C}hiral condensate in the {S}chwinger model with matrix
                      product operators},
      journal      = {Physical review / D},
      volume       = {93},
      number       = {9},
      issn         = {2470-0010},
      address      = {[S.l.]},
      publisher    = {Soc.},
      reportid     = {PUBDB-2016-02660, DESY-16-046. arXiv:1603.05002},
      pages        = {094512},
      year         = {2016},
      abstract     = {Tensor network (TN) methods, in particular the matrix
                      product states (MPS) ansatz, have proven to be a useful tool
                      in analyzing the properties of lattice gauge theories. They
                      allow for a very good precision, much better than standard
                      Monte Carlo (MC) techniques for the models that have been
                      studied so far, due to the possibility of reaching much
                      smaller lattice spacings. The real reason for the interest
                      in the TN approach, however, is its ability, shown so far in
                      several condensed matter models, to deal with theories which
                      exhibit the notorious sign problem in MC simulations. This
                      makes it prospective for dealing with the nonzero chemical
                      potential in QCD and other lattice gauge theories, as well
                      as with real-time simulations. In this paper, using matrix
                      product operators, we extend our analysis of the Schwinger
                      model at zero temperature to show the feasibility of this
                      approach also at finite temperature. This is an important
                      step on the way to deal with the sign problem of QCD. We
                      analyze in detail the chiral symmetry breaking in the
                      massless and massive cases and show that the method works
                      very well and gives good control over a broad range of
                      temperatures, essentially from zero to infinite
                      temperature.},
      cin          = {ZEU-NIC},
      ddc          = {530},
      cid          = {I:(DE-H253)ZEU-NIC-20120731},
      pnm          = {611 - Fundamental Particles and Forces (POF3-611) / SIQS -
                      Simulators and Interfaces with Quantum Systems (600645)},
      pid          = {G:(DE-HGF)POF3-611 / G:(EU-Grant)600645},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000376641000006},
      eprint       = {1603.05002},
      howpublished = {arXiv:1603.05002},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1603.05002;\%\%$},
      doi          = {10.1103/PhysRevD.93.094512},
      url          = {https://bib-pubdb1.desy.de/record/301340},
}