QuantumToolbox.jl: An efficient Julia framework for simulating open quantum systems
Abstract
We present QuantumToolboxjl, an open-source Julia package for simulating open quantum systems. Designed with a syntax familiar to users of QuTiP (Quantum Toolbox in Python), it harnesses Julia's high-performance ecosystem to deliver fast and scalable simulations. The package includes a suite of time-evolution solvers supporting distributed computing and GPU acceleration, enabling efficient simulation of large-scale quantum systems. We also show how QuantumToolboxjl can integrate with automatic differentiation tools, making it well-suited for gradient-based optimization tasks such as quantum optimal control. Benchmark comparisons demonstrate substantial performance gains over existing frameworks. With its flexible design and computational efficiency, QuantumToolboxjl serves as a powerful tool for both theoretical studies and practical applications in quantum science.
Cite
@article{arxiv.2504.21440,
title = {QuantumToolbox.jl: An efficient Julia framework for simulating open quantum systems},
author = {Alberto Mercurio and Yi-Te Huang and Li-Xun Cai and Yueh-Nan Chen and Vincenzo Savona and Franco Nori},
journal= {arXiv preprint arXiv:2504.21440},
year = {2025}
}
Comments
26 pages, 8 figures