ProjectQUSP-P2 – Atomare Spinsysteme mit unendlich-reichweitiger Wechselwirkung

Basic data

Atomare Spinsysteme mit unendlich-reichweitiger Wechselwirkung
01/07/2022 to 30/06/2026
Abstract / short description:
The project aims to study various non-equilibrium states in dynamically driven, long-range
interacting quantum systems and to explore their usefulness for quantum metrology. Theoretically, we will study adiabatic and non-adiabatic (quenched) dynamics of the interacting many-body systems and examine their utility for increasing the sensitivity of measurements of external parameters, such as electromagnetic fields. We will elucidate the role of underlying phase-space structures for the sensitivity and develop and implement quantum algorithms for simulating open complex quantum systems. Experimentally, we will employ two-dimensional clouds of cold trapped atoms coupled by resonant lasers to the highly excited Rydberg states in strong electric fields. Small and fast changes of the control electric field permit dynamical tuning of the corresponding dipole-dipole interaction strength. This enables the realization of different kinds of dynamical driving schemes and tuning the relaxation and ionisation rates.
Using an ion microscope with high spatiotemporal resolution, we will perform precise measurements of the spatial and temporal dynamics and correlations in this driven interacting quantum system. Proof of principle experiments for measuring the electric field with sensitivity better than the standard quantum limit will be performed using long-range interacting Rydberg atoms.
Long-range interaction
Quantum metrology
Rydberg atoms

Involved staff


Faculty of Science
University of Tübingen
Institute of Physics (PIT)
Department of Physics, Faculty of Science

Contact persons

Institute for Theoretical Physics (ITP)
Department of Physics, Faculty of Science

Local organizational units

Institute of Physics (PIT)
Department of Physics
Faculty of Science


Bonn, Nordrhein-Westfalen, Germany

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