Experiments Home

Atomic Quantum Systems

Prof. Markus Oberthaler

Experiments

Rubidium BEC

Collective Spin physics with ⁸⁷Rb
Quasi-1D system with global and local spin control and optional lattice potential
Far-from equilibrium many-body dynamics

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Potassium BEC

2D Bose-Einstein condensate of Potassium-39
Tunable interactions, local control, configurable potentials and initial states
Quantum simulation and non-equilibrium dynamics

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Sodium Potassium Mixture

Dual Bosonic Degenerate Gases
High Resolution Imaging
Tunable Interactions in Spin Degree of Freedom

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Argon Trap Trace Analysis

Age dating of environmental systems via ³⁹Ar
Applied Quantum Technology
Ultrasensitive detection method using quantum optics

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Spectroscopy for environmental research

Open-path monitoring of atmospheric molecular species
Infrared absorption spectroscopic techniques for remote sensing
Dual-comb spectroscopy for high sensitivity and selectivity of target molecules

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People

Recent Publications

2026
Observation of sine-Gordon-like solitons in a spinor Bose-Einstein condensate
Yannick Deller, Alexander Schmutz, Raphael Schäfer, Alexander Flamm, Florian Schmitt, Ido Siovitz, Thomas Gasenzer, Panayotis G. Kevrekidis, Helmut Strobel, Markus K. Oberthaler2026, Physical Review Letter (137) 053401 PDF-File
A Maxwell Fish-Eye Lens in a Bose-Einstein Condensate
Jelte Duchêne, Elinor Kath, Floriane Arrouas, Hanyi Jang, Helmut Strobel, Markus K. Oberthaler, Jay Mehta, Liam M. Farrell, Wyatt Kirkby, Duncan H.J. O'Dell2026, New Journal Physics (28) 064510 PDF-File
39Ar dating of cave ice combined with pollen, cryogenic calcite and radiocarbon analyses reveals late Little Ice Age origin (Leupa Ice Cave, Julian Alps)
Renato R. Colucci, Pascal Bohleber, Werner Aeschbach, Marc Luetscher, Margit Schwikowski, Gina E. Moseley, David Wachs, Theo Manuel Jenk, Anja Eichler, Andrea Securo, Lawrence R. Edwards, Sonia Manzan, Dirk L. Hoffmann, Markus K. Oberthaler and Daniela Festi2026, Journal of Glaciology (72) 1-15 PDF-File
A continuous 6000 a age depth relationship for the remainder of the Weißseespitze summit glacier based on 39Ar and 14C dating
David Wachs, Azzurra Spagnesi, Pascal Bohleber, Andrea Fischer, Martin Stocker-Waldhuber, Alexander Junkermann, Carl Kindermann, Linus Langenbacher, Niclas Mandaric, Joshua Marks, Florian Meienburg, Theo M. Jenk, Markus K. Oberthaler and Werner Aeschbach2026, Climate of the Past (22) 173-185 PDF-File
2025
Double sine-Gordon class of universal coarsening dynamics in a spin-1 Bose gas
Ido Siovitz, Anna-Maria E. Glück, Yannick Deller, Alexander Schmutz, Felix Klein, Helmut Strobel, Markus K. Oberthaler, and Thomas Gasenzer2025, Phys. Rev. A (112) 023304

Funding

Next Generation Quantum Simulators (Dynamite)

funded by QUANTERA ERA-NET Cofund in Quantum Technologies – Quantum Phenomena and Resources (QPR)

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Neuartige Altersbestimmung alpiner Gletscher durch 39Ar-ATTA (ArTTA-ICE)

funded by DFG (OB 164/17-1)

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Der arktische Ozean 2020 – Ventilationszeitskalen, anthropogener Kohlenstoff und Variabilität in einer sich verändernden Umgebung (VACAO)

cooperation partner, funded by DFG (AE 93/21-1) (Werner Aeschbach)

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A new era of transient tracers in the Arctic and Atlantic oceans

cooperation partner in ‘ERC-2020-COG101001451 — TITANICA (Núria Casacuberta Arola)

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Physical Computation

funded by Excellence Cluster STRUCTURES (EXC2181/1)

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Isolierte Quantensysteme und Universalität unter extremen Bedingungen (ISOQUANT)

Collaborative Research Center CRC1225

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EnerQuant

funded by the BMWi. In close collaboration with Università di Trento, Fraunhofer Institute for Industrial Mathematics (ITWM), and JoS QUANTUM GmbH.

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