Add citation bibtex for arXiv preprint (#457)

Author: ytdHuang

CITATION.bib

@@ -0,0 +1,11 @@
+@article{QuantumToolbox-jl2025,
+    title={{QuantumToolbox.jl}: An efficient {Julia} framework for simulating open quantum systems},
+    author={Mercurio, Alberto and Huang, Yi-Te and Cai, Li-Xun and Chen, Yueh-Nan and Savona, Vincenzo and Nori, Franco},
+    journal={arXiv preprint arXiv:2504.21440},
+    year={2025},
+    publisher = {arXiv},
+    eprint={2504.21440},
+    archivePrefix={arXiv},
+    primaryClass={quant-ph},
+    doi = {10.48550/arXiv.2504.21440}
+}

README.md

@@ -10,7 +10,7 @@
 and [Y.-T. Huang](https://github.com/ytdHuang).
 
 <!-- Table of Badges -->
-| **Release**       | [![Release][release-img]][release-url] [![License][license-img]][license-url] [![DOI][doi-img]][doi-url] [![Downloads][download-img]][download-url] |
+| **Release**       | [![Release][release-img]][release-url] [![License][license-img]][license-url] [![Cite][cite-img]][cite-url] [![Downloads][download-img]][download-url] |
 |:-----------------:|:-------------|
 | **Runtests**      | [![Runtests][runtests-img]][runtests-url] [![Coverage][codecov-img]][codecov-url] |
 | **Code Quality**  | [![Code Quality][code-quality-img]][code-quality-url] [![Aqua QA][aqua-img]][aqua-url] [![JET][jet-img]][jet-url] |
@@ -24,8 +24,8 @@ and [Y.-T. Huang](https://github.com/ytdHuang).
 [license-img]: https://img.shields.io/badge/license-New%20BSD-blue.svg
 [license-url]: https://opensource.org/licenses/BSD-3-Clause
 
-[doi-img]: https://zenodo.org/badge/DOI/10.5281/zenodo.10822816.svg
-[doi-url]: https://doi.org/10.5281/zenodo.10822816
+[cite-img]: https://img.shields.io/badge/cite-arXiv%3A2504.21440_(2023)-blue
+[cite-url]: https://doi.org/10.48550/arXiv.2504.21440
 
 [download-img]: https://img.shields.io/badge/dynamic/json?url=http%3A%2F%2Fjuliapkgstats.com%2Fapi%2Fv1%2Ftotal_downloads%2FQuantumToolbox&query=total_requests&label=Downloads
 [download-url]: https://juliapkgstats.com/pkg/QuantumToolbox
@@ -177,6 +177,23 @@ You are most welcome to contribute to `QuantumToolbox.jl` development by forking
 
 For more information about contribution, including technical advice, please see the [Contributing to Quantum Toolbox in Julia](https://qutip.org/QuantumToolbox.jl/stable/resources/contributing).
 
+## Cite `QuantumToolbox.jl`
+If you like `QuantumToolbox.jl`, we would appreciate it if you starred the repository in order to help us increase its visibility. Furthermore, if you find the framework useful in your research, we would be grateful if you could cite our arXiv preprint [ [arXiv:2504.21440 (2025)](https://doi.org/10.48550/arXiv.2504.21440)  ] using the following bibtex entry:
+
+```bib
+@article{QuantumToolbox-jl2025,
+    title={{QuantumToolbox.jl}: An efficient {Julia} framework for simulating open quantum systems},
+    author={Mercurio, Alberto and Huang, Yi-Te and Cai, Li-Xun and Chen, Yueh-Nan and Savona, Vincenzo and Nori, Franco},
+    journal={arXiv preprint arXiv:2504.21440},
+    year={2025},
+    publisher = {arXiv},
+    eprint={2504.21440},
+    archivePrefix={arXiv},
+    primaryClass={quant-ph},
+    doi = {10.48550/arXiv.2504.21440}
+}
+```
+
 ## Acknowledgements
 
 ### Fundings

docs/make.jl

@@ -42,7 +42,7 @@ const PAGES = [
         # "Key differences from QuTiP" => "getting_started/qutip_differences.md",
         "The Importance of Type-Stability" => "getting_started/type_stability.md",
         "Example: Create QuantumToolbox.jl Logo" => "getting_started/logo.md",
-        # "Cite QuantumToolbox.jl" => "getting_started/cite.md",
+        "Cite QuantumToolbox.jl" => "getting_started/cite.md",
     ],
     "Users Guide" => [
         "Basic Operations on Quantum Objects" => [

docs/src/getting_started/cite.md

@@ -0,0 +1,17 @@
+# [Cite QuantumToolbox.jl](@id doc:Cite)
+
+If you like `QuantumToolbox.jl`, we would appreciate it if you could cite our arXiv preprint [ [arXiv:2504.21440 (2025)](https://doi.org/10.48550/arXiv.2504.21440)  ] using the following bibtex entry:
+
+```bib
+@article{QuantumToolbox-jl2025,
+    title={{QuantumToolbox.jl}: An efficient {Julia} framework for simulating open quantum systems},
+    author={Mercurio, Alberto and Huang, Yi-Te and Cai, Li-Xun and Chen, Yueh-Nan and Savona, Vincenzo and Nori, Franco},
+    journal={arXiv preprint arXiv:2504.21440},
+    year={2025},
+    publisher = {arXiv},
+    eprint={2504.21440},
+    archivePrefix={arXiv},
+    primaryClass={quant-ph},
+    doi = {10.48550/arXiv.2504.21440}
+}
+```

docs/src/index.md

@@ -22,6 +22,9 @@ hero:
     - theme: alt
       text: API
       link: /resources/api
+    - theme: alt
+      text: Cite us
+      link: /getting_started/cite
     - theme: alt
       text: View on Github
       link: https://github.com/qutip/QuantumToolbox.jl