Floquet Hamiltonian engineering of an isolated many-body spin system

S Geier, N Thaicharoen, C Hainaut, T Franz… - Science, 2021 - science.org
Controlling interactions is the key element for the quantum engineering of many-body
systems. Using time-periodic driving, a naturally given many-body Hamiltonian of a closed …

Glassy dynamics in a disordered Heisenberg quantum spin system

A Signoles, T Franz, R Ferracini Alves, M Gärttner… - Physical Review X, 2021 - APS
Understanding the dynamics of strongly interacting disordered quantum systems is one of
the most challenging problems in modern science, due to features such as the breakdown of …

Coherent optical two-photon resonance tomographic imaging in three dimensions

M Mazelanik, A Leszczyński, T Szawełło… - Communications …, 2023 - nature.com
Magnetic resonance imaging is a three-dimensional imaging technique, where a gradient of
the magnetic field is used to interrogate spin resonances with spatial resolution. The …

Absence of thermalization in an interacting system of thousands of quantum spins

T Franz, S Geier, C Hainaut, A Signoles… - arXiv preprint arXiv …, 2022 - arxiv.org
Understanding how closed quantum systems dynamically approach thermal equilibrium
presents a major unresolved problem in statistical physics. Generically, it is expected that …

Quantum defect and Rydberg energy level calculations for 85Rb and 87Rb by Weakest Bound Electron Potential Model

M Fatima, A Jamal, I Siddiqui - Chinese Journal of Physics, 2024 - Elsevier
Abstract The Weakest Bound Electron Potential Model (WBEPM) is an effective emerging
method for atomic structure calculations that gives results compatible with the experimental …

Nonlinear absorption in interacting Rydberg electromagnetically-induced-transparency spectra on two-photon resonance

A Tebben, C Hainaut, A Salzinger, S Geier, T Franz… - Physical Review A, 2021 - APS
We experimentally investigate the nonlinear transmission spectrum of coherent light fields
propagating through a Rydberg EIT medium with strong atomic interactions. In contrast to …

[HTML][HTML] Autler–Townes splitting in the trap-loss fluorescence spectroscopy due to single-step direct Rydberg excitation of cesium cold atomic ensemble

X Wang, X Hou, F Lu, R Chang, L Hao, W Su, J Bai… - AIP Advances, 2023 - pubs.aip.org
We experimentally investigate trap-loss spectra of the cesium 6S 1/2 (F= 4)→ 71P 3/2
Rydberg transition by combining the cesium atomic magneto-optical trap with the narrow …

Realization of a Heisenberg XXZ spin system using Rydberg atoms

R Ferracini Alves - 2022 - archiv.ub.uni-heidelberg.de
In this thesis, we present the realization of an isolated Heisenberg XXZ spin 1/2 system with
an off-diagonal disorder in the coupling constants using cold atoms in highly excited …

Rydberg Electromagnetically Induced Transparency-A vanishing linear response, resonances, and a stationary Rydberg polariton

A Tebben - 2021 - archiv.ub.uni-heidelberg.de
Rydberg electromagnetically induced transparency (Rydberg EIT) enables extremely strong
optical nonlinearities, opening the possibility for photon-photon interactions and exotic …