Data and code for: "Superextensive charging speeds in a correlated quantum charger"

Data and code repository for the paper: Superextensive charging speeds in a correlated quantum charger Harald Schmid, Felix von Oppen, Gil Refael, and Yang Peng arXiv:2601.02477v1 05 Jan 2026 Abstract We define a quantum charger as an interacting quantum system that transfers energy between two drives. The key figure of merit characterizing a charger is its charging power. Remarkably, the presence of long-range interactions within the charger can induce a collective steady-state charging mode that depends superlinearly on the size of the charger, exceeding the performance of noninteracting, parallel units. Using the driven Lipkin-Meshkov-Glick model and power-law interacting spin chains, we show that this effect persists up to a critical system size set by the breakdown of the high-frequency regime. We discuss optimal work output as well as experimentally accessible initial states. The superlinear charging effect can be probed in trapped-ion experiments, and positions interacting Floquet systems as promising platforms for enhanced energy conversion. License and citation The data is licensed under Creative Commons CC BY 4.0. Please reference arXiv:2601.02477 and this repository when you share or reuse it in any form. Reproducibility The results in this repository were generated using the following environment: Python: 3.11.14 IPython: 9.7.0 Jupyter Notebook: 7.0.6 NumPy: 2.3.5 SciPy: 1.16.3 Matplotlib: 3.10.7