9 papers
Fast Pulses for High-Fidelity Circularization of Interacting Rydberg atoms
Matthias Hüls, Aurore A. Young, Clément Sayrin +6
Circular states in Rydberg atoms offer a promising platform for quantum computation, quantum simulation and quantum sensing. However, the final step of their preparation - termed a…
From Pauli Strings to Quantum Dynamics: A Unified Characterization
Roberto Gargiulo, Paul Herringer, Robert Zeier
Understanding the dynamical properties of quantum systems is an essential task in quantum computing, quantum control, and many-body physics. Tools such as representation theory and…
Obstructions to universality in globally controlled qubit graphs
Roberto Gargiulo, Roberto Menta, Vittorio Giovannetti +1
Global control offers a promising route to scalable quantum computing. A recent conjecture by Hu et al. (arXiv:2508.19075) proposes that any connected qubit graph equipped with glo…
Optimizing two-qubit gates for ultracold fermions in optical lattices
Jan A. P. Reuter, Juhi Singh, Tommaso Calarco +2
Ultracold neutral atoms in optical lattices are a promising platform for simulating the behavior of complex materials and implementing quantum gates. We optimize collision gates fo…
Improving Single Excitation Fidelity in Rydberg Superatoms for Efficient Single Photon Emission
Vidisha Aggarwal, Boxi Li, Eloisa Cuestas +4
Deterministic single photon emission from a Rydberg ensemble coupled to an optical cavity requires high-fidelity preparation of collective single excitations. In such a setup imper…
Finite-dimensional Lie algebras in bosonic quantum dynamics: The single-mode case
Tim Heib, Andreea Silvia Goia, Sona Baghiyan +2
We study, classify, and explore the mathematical properties of finite-dimensional Lie algebras occurring in the quantum dynamics of single-mode and self-interacting bosonic systems…