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
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 | Interaction-induced charge pumping in a topological many-body system Konrad Viebahn; Anne-Sophie Walter; Eric Bertok; Zijie Zhu; Marius Gächter; Armando A. Aligia; Fabian Heidrich-Meisner; Tilman Esslinger Arxiv preprint 2308.03756 (2023) ArXiv: 🔗 link |
| 2 | Reversal of quantised Hall drifts at non-interacting and interacting topological boundaries Zijie Zhu; Marius Gächter; Anne-Sophie Walter; Konrad Viebahn; Tilman Esslinger Arxiv preprint 2301.03583 (2023) ArXiv: 🔗 link Science (open access link): 🔗 link |
| 3 | 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 |
| 4 | 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 |
| 5 | 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 |
| 6 | 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, arXiv: 🔗 link, ETHZ research collection: 🔗 link |
| 7 | 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, arXiv: 🔗 link, ETHZ research collection: 🔗 link |
| 8 | 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, arXiv: 🔗 link, ETHZ research collection: 🔗 link |
| 9 | 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 |
| 10 | 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 |
| 11 | 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 |
| 12 | 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 |