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@ARTICLE{Jung:1043250,
      author       = {Jung, Niklas J. and Rosati, Francesco and Rath, Gabriel L.
                      and Wilhelm-Mauch, Frank and Schuhmacher, Peter K.},
      title        = {{T}he {Q}uantum {O}ptical {M}aster {E}quation is of the
                      same order of approximation as the {R}edfield {E}quation},
      publisher    = {arXiv},
      reportid     = {FZJ-2025-02800},
      year         = {2025},
      abstract     = {Quantum master equations are widely used to describe the
                      dynamics of open quantum systems. All these different master
                      equations rely on specific approximations that may or may
                      not be justified. Starting from a microscopic model,
                      applying the justified approximations only may not result in
                      the desired Lindblad form preserving positivity. The
                      recently proposed Universal Lindblad Equation is in Lindblad
                      form and still retains the same order of approximation as
                      the Redfield master equation [arXiv:2004.01469]. In this
                      work, we prove that the well-known Quantum Optical Master
                      Equation is also in the same equivalence class of
                      approximations. We furthermore compare the Quantum Optical
                      Master Equation and the Universal Lindblad Equation
                      numerically and show numerical evidence that the Quantum
                      Optical Master Equation yields more accurate results.},
      keywords     = {Quantum Physics (quant-ph) (Other) / FOS: Physical sciences
                      (Other)},
      cin          = {PGI-12},
      cid          = {I:(DE-Juel1)PGI-12-20200716},
      pnm          = {5223 - Quantum-Computer Control Systems and Cryoelectronics
                      (POF4-522)},
      pid          = {G:(DE-HGF)POF4-5223},
      typ          = {PUB:(DE-HGF)25},
      doi          = {10.48550/ARXIV.2505.06786},
      url          = {https://juser.fz-juelich.de/record/1043250},
}