@article{Wang2026pra,
  title = {Tight trade-off relation and optimal measurement for multiparameter quantum estimation},
  author = {Wang, Lingna and Chen, Hongzhen and Yuan, Haidong},
  journal = {Physical Review A},
  volume = {114},
  number = {1},
  pages = {012609},
  year = {2026},
  month = {July},
  publisher = {American Physical Society},
  doi = {10.1103/m1z7-f7b8},
  url = {https://doi.org/10.1103/m1z7-f7b8},
  eprint = {2504.09490},
  archivePrefix = {arXiv},
  primaryClass = {quant-ph}
}