A. Uchiyama
Tohoku University
24 Papers
78 Citations
A. Uchiyama is an academic researcher from Tohoku University. The author has contributed to research in topics: Francium & Electron electric dipole moment. The author has an hindex of 7, co-authored 24 publications.
Chat about Author
Papers
Search for a permanent EDM using laser cooled radioactive atom
Hirokazu Kawamura,S. Ando,Takatoshi Aoki,H. Arikawa,S. Ezure,Kenichi Harada,Tomohiro Hayamizu,Takeshi Inoue,T. Ishikawa,Masatoshi Itoh,K. Kato,T. Kato,H. S. Nataraj,Tomoya Sato,A. Uchiyama,Takeshi Furukawa,Atsushi Hatakeyama,Kichiji Hatanaka,Kenichi Imai,T. Murakami,Yasuhiro Shimizu,Tomotsugu Wakasa,Hidetomo Yoshida,Yasuhiro Sakemi +23 more
TL;DR: In this article, the search for the electric-dipole moment (EDM) of laser-cooled francium (Fr) atoms could lead to a measurement for the electron EDM.
Development of co-located 129Xe and 131Xe nuclear spin masers with external feedback scheme
Takuso Sato,Yuichi Ichikawa,Shuichiro Kojima,C. Funayama,Shunya Tanaka,Takeshi Inoue,A. Uchiyama,A. Gladkov,A. Takamine,Yu Sakamoto,Yuichi Ohtomo,Chika Hirao,Masatoshi Chikamori,Eri Hikota,T. Suzuki,Masato Tsuchiya,Takeshi Furukawa,Akihiro Yoshimi,Christopher Bidinosti,Takashi Ino,Hideki Ueno,Yukari Matsuo,Takeshi Fukuyama,N. Yoshinaga,Yasuhiro Sakemi,Yasuhiro Sakemi,Koichiro Asahi +26 more
TL;DR: In this article, the authors report on the operation of co-located 129Xe and 131Xe nuclear spin masers with an external feedback scheme, and discuss the use of 131 Xe as a comagnetometer in measurements of the 129 Xe spin precession frequency.
23
Laser frequency locking with 46 GHz offset using an electro-optic modulator for magneto-optical trapping of francium atoms.
Kenichi Harada,Takatoshi Aoki,S. Ezure,K. Kato,Tomohiro Hayamizu,Hirokazu Kawamura,Takeshi Inoue,H. Arikawa,T. Ishikawa,A. Uchiyama,K. Sakamoto,S. Ito,Masatoshi Itoh,S. Ando,Atsushi Hatakeyama,K. Hatanaka,Kenichi Imai,T. Murakami,H. S. Nataraj,Yohei Shimizu,Tomoya Sato,Tomotsugu Wakasa,Hisataka Yoshida,Yasuhiro Sakemi +23 more
TL;DR: In this paper, a waveguide-type electro-optic modulator with 10th-order sidebands for magneto-optical trapping of Fr atoms was used for frequency offset locking between two laser sources.
13
Magneto-optical trapping of radioactive atoms for test of the fundamental symmetries
Hirokazu Kawamura,S. Ando,Takatoshi Aoki,H. Arikawa,Kenichi Harada,Tomohiro Hayamizu,Takeshi Inoue,T. Ishikawa,Masatoshi Itoh,K. Kato,L. Köhler,J. Mathis,K. Sakamoto,A. Uchiyama,Yasuhiro Sakemi +14 more
TL;DR: In this article, the intrinsic symmetries of francium have been investigated using a Wien filter and the ion beam generated with a fran calcium ion source was investigated using Wien filters.
9
Quantum sensing of the electron electric dipole moment using ultracold entangled Fr atoms
T. Aoki,T. Aoki,R Sreekantham,R Sreekantham,B. K. Sahoo,Bindiya Arora,Anders Kastberg,Taku J. Sato,H Ikeda,N Okamoto,Y. Torii,T. Hayamizu,K. Nakamura,S Nagase,M Ohtsuka,H. Nagahama,N. Ozawa,M Sato,T Nakashita,K Yamane,K. S. Tanaka,Kenichi Harada,Hirokazu Kawamura,Takeshi Inoue,A. Uchiyama,Atsushi Hatakeyama,A Takamine,H. Ueno,Y. Ichikawa,Yuji Matsuda,H. Haba,Yasuhiro Sakemi +31 more
- 10 Sep 2021
TL;DR: In this paper, the authors proposed a method to measure the electron electric dipole moment (eEDM) using ultracold entangled francium (Fr) atoms trapped in an optical lattice, yielding an uncertainty below the standard quantum limit.
9