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Chin. Phys. B, 2021, Vol. 30(11): 113301    DOI: 10.1088/1674-1056/abfc3d

Hyperfine structures and the field effects of IBr molecule in its rovibronic ground state

Defu Wang(王得富)1, Xuping Shao(邵旭萍)1, Yunxia Huang(黄云霞)1, Chuanliang Li(李传亮)2, and Xiaohua Yang(杨晓华)1,†
1 School of Science, Nantong University, Nantong 226019, China;
2 Department of Physics, Taiyuan University of Science and Technology, Taiyuan 03324, China
Abstract  Hyperfine structures and the field effects of IBr molecule in its rovibronic ground state are theoretically studied by diagonalizing the effective Hamiltonian matrix. Perturbations of high-J levels up to 4 are taken into account when studying the hyperfine sub-levels of the J = 0 level, and thus, an 80×80 matrix is constructed and solved. Some of the experimentally absent molecular constants are computed using Dalton program. Our results will be helpful in the experimental investigation of manipulation and further cooling of cold IBr molecules.
Keywords:  hyperfine structure      Zeeman effect      Stark effect      IBr molecule  
Received:  14 January 2021      Revised:  02 April 2021      Accepted manuscript online:  28 April 2021
PACS:  33.15.Pw (Fine and hyperfine structure)  
  32.60.+i (Zeeman and Stark effects)  
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 12004199, U1810129, 52076145, and 11904252).
Corresponding Authors:  Xiaohua Yang     E-mail:

Cite this article: 

Defu Wang(王得富), Xuping Shao(邵旭萍), Yunxia Huang(黄云霞), Chuanliang Li(李传亮), and Xiaohua Yang(杨晓华) Hyperfine structures and the field effects of IBr molecule in its rovibronic ground state 2021 Chin. Phys. B 30 113301

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