---
title: QuGradLab
tags: VQE, Hamiltonian-level
description: An extension to the Python package QuGrad that implements common Hilbert space structures, Hamiltonians, and pulse shapes for quantum control.
---

[[/index|Christopher K. Long]]<a href="https://orcid.org/0009-0001-3230-942X"><font color="#a6ce39"><i class='fa-brands fa-orcid'></i></font></a>,
Henrik Gothen<a href="https://orcid.org/0009-0006-3764-4805"><font color="#a6ce39"><i class='fa-brands fa-orcid'></i></font></a>,
Crispin H. W. Barnes<a href="https://orcid.org/0000-0001-7337-7245"><font color="#a6ce39"><i class='fa-brands fa-orcid'></i></font></a>,
David R. M. Arvidsson-Shukur<a href="https://orcid.org/0000-0002-0185-0352"><font color="#a6ce39"><i class='fa-brands fa-orcid'></i></font></a>,
and Normann Mertig<a href="https://orcid.org/0000-0003-3025-7141"><font color="#a6ce39"><i class='fa-brands fa-orcid'></i></font></a>

# Online repositories

- GitHub: https://github.com/Christopher-K-Long/QuGradLab
- GitLab (mirror): https://gitlab.com/Christopher-K-Long/QuGradLab
- Zenodo (DOI): https://doi.org/10.5281/zenodo.17116725

# README file

![[Repository/README]]

# Repository files
- [[Repository/README]]
- [[Repository/ChangeLog]]
- [[Repository/SECURITY]]
- [[/Software/QuGradLab/Repository/LICENSE]]

# Citation

Christopher K. Long, Henrik Gothen, Crispin H. W. Barnes, David R. M. Arvidsson-Shukur, and Normann Mertig. QuGradLab, (Zenodo, 2025–2026), DOI: [10.5281/zenodo.17116725](https://doi.org/10.5281/zenodo.17116725).

## BibTeX

```bibtex
@software{long_2025_17393511,
    author       = {Long, Christopher K. and
                    Gothen, Henrik and
                    Barnes, Crispin H. W. and
                    Arvidsson-Shukur, David R. M. and
                    Mertig, Normann},
    title        = {QuGradLab},
    license = {Apache-2.0},
    publisher    = {Zenodo},
    doi          = {10.5281/zenodo.17116725},
    url          = {https://doi.org/10.5281/zenodo.17116725},
    swhid        = {swh:1:dir:b252114b757841c31b0d0fa250d96e7ac068d939
                    ;origin=https://doi.org/10.5281/zenodo.17116725;vi
                    sit=swh:1:snp:20dd586fc2a6d43d3b070e4a2766f9e20f07
                    6c27;anchor=swh:1:rel:fe6e71395a4190416e6d7a4e1839
                    3e5ca282f22f;path=Christopher-K-Long-
                    QuGradLab-7ec99b7
                    },
}
```

# Dependencies I authored
- [[/Software/QuGrad/index|QuGrad]] [@QuGrad]