Arbeitsgruppe Prof. Widera

 Sian Barbosa
Telefon+49 (0)631 205-3973



  1. Unravelling Interaction and Temperature Contributions in Unpolarized Trapped Fermionic Atoms in the BCS Regime
    Sejung Yong, Sian Barbosa, Jennifer Koch, Felix Lang, Axel Pelster, Artur Widera
    preprint, arXiv:2311.08853

  2. What can we learn from diffusion about Anderson localization of a degenerate Fermi gas?
    Sian Barbosa, Maximilian Kiefer-Emmanouilidis, Felix Lang, Jennifer Koch, Artur Widera
    preprint, arXiv:2311.07505

  3. Fermi accelerating an Anderson-localized Fermi gas to superdiffusion
    Sian Barbosa, Maximilian Kiefer-Emmanouilidis, Felix Lang, Jennifer Koch, Artur Widera
    preprint, arXiv:2311.08224

  4. Stability and sensitivity of interacting fermionic superfluids to quenched disorder
    Jennifer Koch, Sian Barbosa, Felix Lang, Artur Widera
    preprint, arXiv:2310.11213



  1. Characterizing quantum gases in time-controlled disorder realizations using cross-correlations of density distributions
    S. Hiebel, B. Nagler, S. Barbosa, J. Koch, and A. Widera
    New J. Phys. 26, 013042 (2024)
    DOI 10.1088/1367-2630/ad1b82


  1. A quantum engine in the BEC–BCS crossover
    Jennifer Koch, Keerthy Menon, Eloisa Cuestas, Sian Barbosa, Eric Lutz, Thomás Fogarty, Thomas Busch, Artur Widera
    Nature 621, pages 723–727 (2023)


  1. Ultracold Bose Gases in Dynamic Disorder with Tunable Correlation Time
    Benjamin Nagler, Martin Will, Silvia Hiebel, Sian Barbosa, Jennifer Koch, Michael Fleischhauer und Artur Widera
    Phys. Rev. Lett. 128, 233601

  2. Observing the loss and revival of long-range phase coherence through disorder quenches
    Benjamin Nagler, Sian Barbosa, Jennifer Koch, Giuliano Orso und Artur Widera
    PNAS January 4, 2022, 119 (1)


  1. Dipole oscillations of fermionic superfluids along the BEC-BCS crossover in disordered potentials
    Benjamin Nagler, Kevin Jägering, Ameneh Sheikhan, Sian Barbosa, Jennifer Koch, Sebastian Eggert, Imke Schneider und Artur Widera
    Phys. Rev. A101, 053633 (2020)

  2. Cloud shape of a molecular Bose-Einstein condensate in a disordered trap: a case study of the dirty boson problem
    Benjamin Nagler, Milan Radonjić, Sian Barbosa, Jennifer Koch, Axel Pelster und Artur Widera
    New J. Phys.22, 033021 (2020)
    DOI: 10.1088/1367-2630/ab73cb

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