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@ARTICLE{Chuchurka:604961,
      author       = {Chuchurka, Stasis and Benediktovitch, Andrei and Krusic,
                      Spela and Halavanau, Alex and Rohringer, Nina},
      title        = {{S}tochastic modeling of x-ray superfluorescence},
      journal      = {Physical review / A},
      volume       = {109},
      number       = {3},
      issn         = {2469-9926},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {PUBDB-2024-01289},
      pages        = {033725},
      year         = {2024},
      abstract     = {An approach to modeling the dynamics of x-ray amplified
                      spontaneous emission and superfluorescence, thephenomenon of
                      collective x-ray emission initiated by intense pulses of
                      x-ray free-electron lasers, is developedbased on stochastic
                      partial differential equations. The equations are derived
                      from first principles, and the relevantapproximations,
                      derivation steps, and extensions specific to stimulated
                      x-ray emission are presented. The result-ing equations take
                      the form of three-dimensional generalized Maxwell-Bloch
                      equations augmented with noiseterms for both field and
                      atomic variables. The derived noise terms possess specific
                      correlation properties thatenable the correct reconstruction
                      of spontaneous emission. Consequently, the developed
                      theoretical formalismis universally suitable for describing
                      all stages of stimulated x-ray emission: spontaneous
                      emission, amplifiedspontaneous emission, and
                      superfluorescence. We present numerical examples that
                      illustrate various propertiesof the emitted field, including
                      spatiotemporal coherence and spectral-angular and
                      polarization characteristics.We anticipate that the proposed
                      theoretical framework will establish a robust foundation for
                      interpretingmeasurements in stimulated x-ray emission
                      spectroscopy, modeling x-ray laser oscillators, and
                      describing otherexperiments leveraging x-ray
                      superfluorescence.},
      cin          = {FS-TUX},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-TUX-20170422},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / HIDSS-0002 - DASHH: Data Science in Hamburg -
                      Helmholtz Graduate School for the Structure of Matter
                      $(2019_IVF-HIDSS-0002)$},
      pid          = {G:(DE-HGF)POF4-631 / $G:(DE-HGF)2019_IVF-HIDSS-0002$},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001198552200008},
      doi          = {10.1103/PhysRevA.109.033725},
      url          = {https://bib-pubdb1.desy.de/record/604961},
}