著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) 鈴木 淳,Role of the extended Hilbert space in the attainability of the Quantum Cramer-Rao bound for multiparameter estimation,Preprint arXiv: quant-ph,,,2024,2404.01520,,,https://cir.nii.ac.jp/crid/1010584168876186880,