Dr. Konrad Viebahn
ETH Zürich
Institute for Quantum Electronics
Quantum Optics Group
Otto Stern Weg 1, HPF D23
8093 Zürich
Switzerland
Tel.: +41 44 63-32345
Fax: +41 44 63-31254
Email: viebahnk@phys.ethz.ch
Junior Group Leader of the Lattice Team
Research Interest
Ultracold atoms in optical lattices
Quantum information science
Fermi-Hubbard model
Dynamical gauge fields
Periodically driven quantum systems, Floquet engineering
Quasicrystals, quasiperiodic optical lattices
Strongly-interacting Bose gases, Bose-Einstein condensation
Topological systems
Short CV
11/2018 — now: ETH fellow, Postdoc, and Junior Group Leader at ETH Zürich
10/2015 — 9/2018: PhD student at University of Cambridge, Cavendish Laboratory, supervisor: Ulrich Schneider
10/2014 — 9/2015: Master’s student at University of Cambridge, Cavendish Laboratory, thesis supervisor: Zoran Hadzibabic
10/2013 — 9/2014: Research assistant at the Max-Planck-Institute for Quantum Optics (Garching)
10/2010 — 9/2015: undergraduate studies at Ludwig-Maximilians-Universität Munich
Publications
| 1 | Mitigating higher-band heating in Floquet-Hubbard lattices via two-tone driving Chen, Yuanning, Zhu, Zijie, Viebahn, Konrad Physical Review A, 112, L021301 (2025) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 2 | Splitting and connecting singlets in atomic quantum circuits Viebahn, Konrad, Zhu, Zijie, Kiefer, Yann, Jele, Samuel, Gächter, Marius, Bisson, Giacomo, Viebahn, Konrad, Esslinger, Tilman Physical Review X, No volume found, No page found (2025) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 3 | Reversal of quantized Hall drifts at noninteracting and interacting topological boundaries Zhu, Zijie, Gächter, Marius, Walter, Anne-Sophie, Viebahn, Konrad, Esslinger, Tilman Science, 384, 317 (2024) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 4 | Interactions Enable Thouless Pumping in a Nonsliding Lattice Viebahn, Konrad, Walter, Anne-Sophie, Bertok, Eric, Zhu, Zijie, Gächter, Marius, Aligia, Armando A., Heidrich-Meisner Fabian, Esslinger, Tilman Physical Review X, 14, 021049 (2024) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 5 | Quantization and its breakdown in a Hubbard–Thouless pump Walter, Anne-Sophie, Zhu, Zijie, Gächter, Marius, Minguzzi, Joaquín, Roschinski, Stephan, Sandholzer, Kilian, Viebahn, Konrad, Esslinger, Tilman Nature Physics, 9, 1471 (2023) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 6 | Topological Floquet engineering using two frequencies in two dimensions Wang, Yixiao, Walter, Anne-Sophie, Jotzu, Gregor, Viebahn, Konrad Physical Review A, 107, 043309 (2023) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 7 | An accordion superlattice for controlling atom separation in optical potentials Wili, Simon, Esslinger, Tilman, Viebahn, Konrad New Journal of Physics, 25, 033037 (2023) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 8 | Topological Pumping in a Floquet-Bloch Band Minguzzi, Joaquín, Zhu, Zijie, Sandholzer, Kilian, Walter, Anne-Sophie, Viebahn, Konrad, Esslinger, Tilman Physical Review Letters, 129, 053201 (2022) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 9 | Floquet engineering of individual band gaps in an optical lattice using a two-tone drive Sandholzer, Kilian, Walter, Anne-Sophie, Minguzzi, Joaquín, Zhu, Zijie, Viebahn, Konrad, Esslinger, Tilman Physical Review Research, 4, 013056 (2022) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 10 | Suppressing Dissipation in a Floquet-Hubbard System Viebahn, Konrad, Minguzzi, Joaquín, Sandholzer, Kilian, Walter, Anne-Sophie, Sajnani, Manish, Görg, Frederik, Esslinger, Tilman Physical Review X, 11, 011057 (2021) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 11 | Observing Localization in a 2D Quasicrystalline Optical Lattice Sbroscia, Matteo, Viebahn, Konrad, Carter, Edward, Yu, Jr-Chiun, Gaunt, Alexander, Schneider, Ulrich Physical Review Letters, 125, 200604 (2020) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 12 | Matter-Wave Diffraction from a Quasicrystalline Optical Lattice Viebahn, Konrad, Sbroscia, Matteo, Carter, Edward, Yu, Jr-Chiun, Schneider, Ulrich Physical Review Letters, 122, 110404 (2019) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 13 | Quasiparticle Energy in a Strongly Interacting Homogeneous Bose-Einstein Condensate Lopes, Raphael, Eigen, Christoph, Barker, Adam, Viebahn, Konrad G.H., Robert-de-Saint-Vincent, Martin, Navon, Nir, Hadzibabic, Zoran, Smith, Robert P. Physical Review Letters, 118, 210401 (2017) Paper: 🔗 link, ETHZ research collection: 🔗 link |
| 14 | Connecting Berezinskii-Kosterlitz-Thouless and BEC Phase Transitions by Tuning Interactions in a Trapped Gas Fletcher, Richard J., Robert-de-Saint-Vincent, Martin, Man, Jay, Navon, Nir, Smith, Robert P., Viebahn, Konrad G.H., Hadzibabic, Zoran Physical Review Letters, 114, 255302 (2015) Paper: 🔗 link, ETHZ research collection: 🔗 link |