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@ARTICLE{Hildenbrand:910662,
      author       = {Hildenbrand, Fabian and Elhatisari, Serdar and Lähde, Timo
                      A. and Lee, Dean and Meißner, Ulf-G.},
      title        = {{L}attice {M}onte {C}arlo simulations with two impurity
                      worldlines},
      journal      = {The European physical journal / A},
      volume       = {58},
      number       = {9},
      issn         = {1434-6001},
      address      = {Heidelberg},
      publisher    = {Springer},
      reportid     = {FZJ-2022-04035},
      pages        = {167},
      year         = {2022},
      note         = {This work was supported in part by the European Research
                      Council (ERC) under the European Union’s Horizon 2020
                      research and innovation programme (grant agreement No.
                      101018170), by DFG and NSFC through funds provided to the
                      Sino-German CRC 110 “Symmetries and the Emergence of
                      Structure in QCD” (NSFC Grant No. 11621131001, DFG Grant
                      No. TRR110). The work of UGM was supported in part by
                      VolkswagenStiftung (Grant no. 93562) and by the CAS
                      President’s International Fellowship Initiative (PIFI)
                      (Grant No. 2018DM0034). The work of DL is supported in part
                      by the U.S. Department of Energy (Grant No. DE-SC0018638)
                      and the Nuclear Computational Low- Energy Initiative
                      (NUCLEI) SciDAC project.},
      abstract     = {We develop the impurity lattice Monte Carlo formalism, for
                      the case of two distinguishable impurities in a bath of
                      polarized fermions. The majority particles are treated as
                      explicit degrees of freedom, while the impurities are
                      described by worldlines. The latter serve as localized
                      auxiliary fields, which affect the majority particles. We
                      apply the method to non-relativistic three-dimensional
                      systems of two impurities and a number of majority particles
                      where both the impurity-impurity interaction and the
                      impurity-majority interaction have zero range. We consider
                      the case of an attractive impurity-majority interaction, and
                      we study the formation and disintegration of bound states as
                      a function of the impurity-impurity interaction strength. We
                      also discuss the potential applications of this formalism to
                      other quantum many-body systems.},
      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
                      196253076 - TRR 110: Symmetrien und Strukturbildung in der
                      Quantenchromodynamik (196253076) / Nuclear Lattice
                      Simulations $(jara0015_20200501)$},
      pid          = {G:(DE-HGF)POF4-5111 / G:(GEPRIS)196253076 /
                      $G:(DE-Juel1)jara0015_20200501$},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000849216000002},
      doi          = {10.1140/epja/s10050-022-00821-8},
      url          = {https://juser.fz-juelich.de/record/910662},
}