QO Group

Tilman Esslinger
▾ Administration
▾ Engineering
▾ Lattice Team
▾ Cavity Team
▾ Lithium Team
▾ Impact Team


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

Postdoc in 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


Short CV


11/2018 — now: Postdoc 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 Breakdown of quantisation in a Hubbard-Thouless pump
Anne-Sophie Walter; Zijie Zhu; Marius Gächter; Joaquín Minguzzi; Stephan Roschinski; Kilian Sandholzer; Konrad Viebahn; Tilman Esslinger
Arxiv preprint 2204.06561 (2022)
ArXiv: 🔗 link
2 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
3 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
4 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
5 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
6 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
7 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
8 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



Online Talks


Multi-frequency Floquet engineering, as part of "Interacting Topological Matter: Atomic, Molecular and Optical Systems", UC Santa Barbara, Kavli Institute for Theoretical Physics, June 2021.



Thesis


Quasicrystalline optical lattices for ultracold atoms
Doctoral thesis, Cavendish Laboratory, University of Cambridge, September 2018
Bragg Spectroscopy of an Interacting Bose-Einstein Condensate
Master's thesis, Cavendish Laboratory, University of Cambridge, and LMU Munich, July 2015
Laser Beam Shaping with a Digital Micromirror Device
Bachelor's thesis, Max-Planck-Institute for Quantum Optics, Garching, and LMU Munich, June 2013




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