Workgroup Prof. Artur Widera

Publications

 

preprints
 

  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
    https://arxiv.org/abs/2311.08853
     
  2. Learning quantum properties with informationally redundant external representations: An eye-tracking study
    Eva Rexigel, Linda Qerimi, Jonas Bley, Sarah Malone, Stefan Küchenmann, Jochen Kuhn
    preprint, arXiv:2501.07389
    https://arxiv.org/abs/2501.07389
     
  3. Limits of absolute vector magnetometry with NV centers in diamond
    Dennis Lönard, Isabel Cardoso Barbosa, Stefan Johansson, Jonas Gutsche, Artur Widera
    preprint, arXiv:2504.20750
    https://doi.org/10.48550/arXiv.2504.20750
     
  4. Roadmap on Quantum Thermodynamics
    Steve Campbell, Irene D'Amico, Mario A. Ciampini, Janet Anders, Natalia Ares, Simone Artini, Alexia Auffèves, Lindsay Bassman Oftelie, Laetitia P. Bettmann, Marcus V. S. Bonança, Thomas Busch, Michele Campisi, Moallison F. Cavalcante, Luis A. Correa, Eloisa Cuestas, Ceren B. Dag, Salambô Dago, Sebastian Deffner, Adolfo Del Campo, Andreas Deutschmann-Olek, Sandro Donadi, Emery Doucet, Cyril Elouard, Klaus Ensslin, Paul Erker, Nicole Fabbri, Federico Fedele, Guilherme Fiusa, Thomás Fogarty, Joshua Folk, Giacomo Guarnieri, Abhaya S. Hegde, Santiago Hernández-Gómez, Chang-Kang Hu, Fernando Iemini, Bayan Karimi, Nikolai Kiesel, Gabriel T. Landi, Aleksander Lasek, Sergei Lemziakov, Gabriele Lo Monaco, Eric Lutz, Dmitrii Lvov, Olivier Maillet, Mohammad Mehboudi, Taysa M. Mendonça, Harry J. D. Miller, Andrew K. Mitchell, Mark T. Mitchison, Victor Mukherjee, Mauro Paternostro, Jukka Pekola, Martí Perarnau-Llobet, Ulrich Poschinger, Alberto Rolandi, Dario Rosa, Rafael Sánchez, Alan C. Santos, Roberto S. Sarthour, Eran Sela, Andrea Solfanelli, Alexandre M. Souza, Janine Splettstoesser, Dian Tan, Ludovico Tesser, Tan Van Vu, Artur Widera, Nicole Yunger Halpern, Krissia Zawadzki
    preprint, arXiv:2504.20145
    https://doi.org/10.48550/arXiv.2504.20145
     
  5. Modelling Quantum Curriculum Innovation: A Pilot Study
    Jonas Bley, Simon Goorney, Aurél Gábris, Stefan Küchemann, Stefan Heusler, Artur Widera, Jacob Sherson
    Preprint
    https://doi.org/10.21203/rs.3.rs-8058039/v1
    Supplementary: https://zenodo.org/records/17449588
     

  6. Visualization enhances Problem Solving in Multi-Qubit Systems: An Eye-Tracking Study
    Jonas Bley, Eva Rexigel, Alda Arias, Lars Krupp, Nikolas Longen, Paul Lukowicz, Stefan Küchemann, Jochen Kuhn, Maximilian Kiefer-Emmanouilidis, Artur Widera
    Preprint
    https://doi.org/10.48550/arXiv.2505.21508
    data: https://zenodo.org/records/15382444
     

publications

2025

  1. Stabilizing an Ultracold Fermi Gas against Fermi Acceleration to Superdiffusion through Localization
    Sian Barbosa, Maximilian Kiefer-Emmanouilidis, Felix Lang, Jennifer Koch, Artur Widera
    Phys. Rev. Lett. 134, 253402 (2025)
    https://doi.org/10.1103/rq4w-377l
    Data: https://zenodo.org/records/10478891
     
  2. LLM-generated tips rival expert-created tips in helping students answer quantum-computing questions
    Lars Krupp, Jonas Bley, Isacco Gobbi, Alexander Geng, Sabine Müller, Sungho Suh, Ali Moghiseh, Arcesio Castaneda Medina, Valeria Bartsch, Artur Widera, Herwig Ott, Paul Lukowicz, Jakob Karolus and Maximilian Kiefer-Emmanouilidis
    EPJ Quantum Technol.12, 33 (2025)
    https://doi.org/10.1140/epjqt/s40507-025-00334-5
     
  3. Probing the fluctuating magnetic field of Fe-triazole spin-crossover thin-layers with nitrogen-vacancy centers in diamond
    Isabel Cardoso Barbosa, Tim Hochdörffer, Juliusz A. Wolny, Dennis Lönard, Stefan Johansson, Jonas Gutsche, Volker Schünemann, Artur Widera
    ACS Nano 19, 13, 12937–12947 (2025)
    https://pubs.acs.org/doi/10.1021/acsnano.4c16748
    Data: https://doi.org/10.5281/zenodo.14715400
     
  4. Floquet engineering of Feshbach resonances in ultracold gases
    Alexander Guthmann, Felix Lang, Louisa Marie Kienesberger, Sian Barbosa, Artur Widera
    Science Advances 11, 40 (2025) 
    https://doi.org/10.1126/sciadv.adw3856
    Data: https://doi.org/10.5281/zenodo.15462746
     
  5. Investigating the use of multiple representations in university courses on quantum technologies
    Eva Rexigel, Jonas Bley, Alda Arias, Linda Qerimi, Stefan Küchemann, Jochen Kuhn & Artur Widera
    EPJ Quantum Technol. 12, 22 (2025)
    https://doi.org/10.1140/epjqt/s40507-025-00327-4
     
  6. Miniaturized magnetic-field sensor based on nitrogen-vacancy centers
    Stefan Johansson, Dennis Lönard, Isabel Cardoso Barbosa, Jonas Gutsche, Jonas Witzenrath, and Artur Widera
    Phys. Rev. Applied 24, 054078 (2025)
    https://doi.org/10.1103/lbqj-d5zv
     
  7. Visualizing quantum states: A pilot study on problem solving in quantum information science education
    Jonas Bley, Eva Rexigel, Alda Arias, Lars Krupp, Steffen Steinert, Nikolas Longen, Paul Lukowicz, Stefan Küchemann, Jochen Kuhn, Maximilian Kiefer-Emmanouilidis, Artur Widera
    Phys. Rev. Phys. Educ. Res. 21, 020160 (2025)
     https://doi.org/10.1103/hdpv-frft
    Data: https://zenodo.org/records/14051040
     

2024

  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
    Data: https://zenodo.org/records/10201108
     
  2. Indication of critical scaling in time during the relaxation of an open quantum system
    Ling-Na Wu, Jens Nettersheim, Julian Feß, Alexander Schnell, Sabrina Burgardt, Silvia Hiebel, Daniel Adam, André Eckardt, and Artur Widera
    Nat. Commun. 15, 1714 (2024)
    DOI:10.1038/s41467-024-46054-9
    Data: https://zenodo.org/records/10526596
     
  3. Visualizing entanglement in multiqubit systems
    Jonas Bley, Eva Rexigel, Alda Arias, Nikolas Longen, Lars Krupp, Maximilian Kiefer-Emmanouilidis, Paul Lukowicz, Anna Donhauser, Stefan Küchemann, Jochen Kuhn, and Artur Widera
    Phys. Rev. Research 6, 023077 (2024)
    https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.6.023077
     
  4. Temperature dependence of charge conversion during NV-center relaxometry in nanodiamond
    Isabel Cardoso Barbosa, Jonas Gutsche, Dennis Lönard, Stefan Dix, and Artur Widera
    Phys. Rev. Research 6, 023078 (2024)
    https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.6.023078
    Data: https://doi.org/10.5281/zenodo.8399526
     
  5. Characterizing localization effects in an ultracold disordered Fermi gas by diffusion analysis
    Sian Barbosa, Maximilian Kiefer-Emmanouilidis, Felix Lang, Jennifer Koch, and Artur Widera
    Phys. Rev. Research6, 033039 (2024)
    https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.6.033039
     
  6. Stability and sensitivity of interacting fermionic superfluids to quenched disorder
    Jennifer Koch, Sian Barbosa, Felix Lang, and Artur Widera
    Nat. Commun.15 9292 (2024)
    https://doi.org/10.1038/s41467-024-51903-8
     
  7. The More the Better? A Systematic Review and Meta-Analysis of the Benefits of More than Two External Representations in STEM Education
    Eva Rexigel, Jochen Kuhn, Sebastian Becker, and Sarah Malone
    Educ. Psychol. Rev.36, 4 (2024)
    https://doi.org/10.1007/s10648-024-09958-y
     

2023

  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)
    https://www.nature.com/articles/s41586-023-06469-8
    Data: https://doi.org/10.5281/zenodo.7886857
     
  2. Impact of Charge Conversion on NV-Center Relaxometry
    Isabel Cardoso Barbosa, Jonas Gutsche, Artur Widera
    Phys. Rev. B 108, 075411 (2023)
    https://doi.org/10.1103/PhysRevB.108.075411
    Data: https://doi.org/10.5281/zenodo.7599850
     
  3. Measuring the environment of a Cs qubit with dynamical decoupling sequences
    Sabrina Burgardt, S. B. Jäger, Julian Feß, Silvia Hiebel, I. Schneider and Artur Widera
    J. Phys. B: At. Mol. Opt. Phys.56, 165501 – Published 31 July 2023
    https://iopscience.iop.org/article/10.1088/1361-6455/acdba5