Theoretical analysis of the coupling between Feshbach states and hyperfine excited states in the creation of 23Na40K molecule

doi:10.1088/1674-1056/ab6314

中国物理B ›› 2020, Vol. 29 ›› Issue (2): 23103-023103.doi: 10.1088/1674-1056/ab6314

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇下一篇

Theoretical analysis of the coupling between Feshbach states and hyperfine excited states in the creation of ²³Na⁴⁰K molecule

Ya-Xiong Liu(刘亚雄), Bo Zhao(赵博)

1 Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;
2 Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China

收稿日期:2019-10-28 修回日期:2019-12-13 出版日期:2020-02-05 发布日期:2020-02-05
通讯作者: Bo Zhao E-mail:bozhao@ustc.edu.cn
基金资助:
Project supported by the National Key Research and Development Program of China (Grant No. 2018YFA0306502), the National Natural Science Foundation of China (Grant Nos. 11521063 and 11904355), and the Fund from the Chinese Academy of Sciences (CAS).

Theoretical analysis of the coupling between Feshbach states and hyperfine excited states in the creation of ²³Na⁴⁰K molecule

Ya-Xiong Liu(刘亚雄)^1,2, Bo Zhao(赵博)^1,2

1 Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;
2 Shanghai Branch, CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China

Received:2019-10-28 Revised:2019-12-13 Online:2020-02-05 Published:2020-02-05
Contact: Bo Zhao E-mail:bozhao@ustc.edu.cn
Supported by:
Project supported by the National Key Research and Development Program of China (Grant No. 2018YFA0306502), the National Natural Science Foundation of China (Grant Nos. 11521063 and 11904355), and the Fund from the Chinese Academy of Sciences (CAS).

摘要/Abstract

摘要： We present an intensive study of the coupling between different Feshbach states and the hyperfine levels of the excited states in the adiabatic creation of ²³Na⁴⁰K ground-state molecules. We use coupled-channel method to calculate the wave function of the Feshbach molecules, and give the short-range wave function of triplet component. The energies of the hyperfine excited states and the coupling strength between the Feshbach states and the hyperfine excited states are calculated. Our results can be used to prepare a specific hyperfine level of the rovibrational ground state to study the ultracold collisions involving molecules.

关键词: Feshbach resonance, stimulated Raman adiabatic passage, ultracold molecule

Abstract: We present an intensive study of the coupling between different Feshbach states and the hyperfine levels of the excited states in the adiabatic creation of ²³Na⁴⁰K ground-state molecules. We use coupled-channel method to calculate the wave function of the Feshbach molecules, and give the short-range wave function of triplet component. The energies of the hyperfine excited states and the coupling strength between the Feshbach states and the hyperfine excited states are calculated. Our results can be used to prepare a specific hyperfine level of the rovibrational ground state to study the ultracold collisions involving molecules.

Key words: Feshbach resonance, stimulated Raman adiabatic passage, ultracold molecule

中图分类号: (Calculations and mathematical techniques in atomic and molecular physics)

31.15.-p

31.15.aj (Relativistic corrections, spin-orbit effects, fine structure; hyperfine structure) 33.15.Pw (Fine and hyperfine structure) 67.85.-d (Ultracold gases, trapped gases)

刘亚雄, 赵博. Theoretical analysis of the coupling between Feshbach states and hyperfine excited states in the creation of ²³Na⁴⁰K molecule [J]. 中国物理B, 2020, 29(2): 23103-023103.

Ya-Xiong Liu(刘亚雄), Bo Zhao(赵博). Theoretical analysis of the coupling between Feshbach states and hyperfine excited states in the creation of ²³Na⁴⁰K molecule [J]. Chin. Phys. B, 2020, 29(2): 23103-023103.

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Theoretical analysis of the coupling between Feshbach states and hyperfine excited states in the creation of ²³Na⁴⁰K molecule

Theoretical analysis of the coupling between Feshbach states and hyperfine excited states in the creation of ²³Na⁴⁰K molecule

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