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@ARTICLE{Zak:629382,
      author       = {Zak, Emil and Küpper, Jochen and Yachmenev, Andrey},
      title        = {{C}ontrolling rovibrational state populations of polar
                      molecules in inhomogeneous electricfields of the {S}tark
                      deceleration: molecular dynamics and quantum chemistry
                      simulations},
      reportid     = {PUBDB-2025-01816, arXiv:2506.04798},
      year         = {2025},
      note         = {https://arxiv.org/abs/2506.04798},
      abstract     = {We propose a modified Stark-chirped rapid adiabatic passage
                      technique for a robust rovibrational population transfer in
                      the gas phase molecules in the presence of certain
                      inhomogeneous electric fields. As an example application,
                      the new state switching scheme is shown to greatly enhance
                      the process of slowing polar ammonia molecules in the Stark
                      decelerator. High-level quantum mechanical simulations show
                      that a virtually complete population inversion between a
                      selected pair of weak-field and strong-field seeking states
                      of NH$_3$ can be achieved. Strong dc electric fields within
                      the Stark decelerator are used as part of the rovibrational
                      population transfer protocol. Classical-dynamics simulations
                      for ammonia demonstrate notable improvements in the
                      longitudinal phase space acceptance of the Stark decelerator
                      upgraded with the state switching and an increased
                      deceleration efficiency with respect to the standard Stark
                      deceleration technique.},
      cin          = {FS-CFEL-CMI / UNI/CUI / UNI/EXP},
      cid          = {I:(DE-H253)FS-CFEL-CMI-20220405 /
                      $I:(DE-H253)UNI_CUI-20121230$ /
                      $I:(DE-H253)UNI_EXP-20120731$},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / DFG project G:(GEPRIS)255652344 - SPP 1840:
                      Quantum Dynamics in Tailored Intense Fields (QUTIF)
                      (255652344) / DFG project G:(GEPRIS)390715994 - EXC 2056:
                      CUI: Tiefe Einblicke in Materie (390715994)},
      pid          = {G:(DE-HGF)POF4-631 / G:(GEPRIS)255652344 /
                      G:(GEPRIS)390715994},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)25},
      eprint       = {2506.04798},
      howpublished = {arXiv:2506.04798},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:2506.04798;\%\%$},
      doi          = {10.3204/PUBDB-2025-01816},
      url          = {https://bib-pubdb1.desy.de/record/629382},
}