@misc{Chen2026geometry,
  title = {Geometric construction of optimal probe states in distributed multiparameter quantum sensing},
  author = {Chen, Hongzhen and Wang, Lingna and Yuan, Haidong},
  year = {2026},
  month = {September},
  eprint = {2609.26608},
  archivePrefix = {arXiv},
  primaryClass = {quant-ph},
  url = {https://arxiv.org/abs/2609.26608},
  note = {Preprint, version 1, submitted 22 September 2026}
}