| Photoassociation of ultracold RbCs molecules into the （2）0- state （v = 189,190） below the 5S1/2 ＋ 6P1/2 dissociation limit |
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| 引用本文： | 常雪芳,姬中华,元晋鹏,赵延霆,杨勇刚,肖连团,贾锁堂.Photoassociation of ultracold RbCs molecules into the （2）0- state （v = 189,190） below the 5S1/2 ＋ 6P1/2 dissociation limit[J].中国物理 B,2013(9):381-385. |
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| 作者姓名： | 常雪芳 姬中华 元晋鹏 赵延霆 杨勇刚 肖连团 贾锁堂 |
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| 作者单位： | State Key Laboratory of Quantum Optics and Quantum Optics Devices, Laser Spectroscopy Laboratory, Shanxi University, Taiyuan 030006, China |
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| 基金项目： | Project supported by the National Basic Research Program of China （Grant No. 2012CB921603）, the International Science ＆ Technology Cooperation Program of China （Grant No. 2011DFA 12490）, the National Natural Science Foundation of China （Grant Nos. 61275209, 10934004, and 11004125）, and the National Natural Science Foundation for Excellent Research Team, China （Grant No. 61121064）. |
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| 摘 要： | Ultracold polar RbCs molecules are produced via photoassociation in a laser-cooled mixture of 85Rb and 133Cs atoms. The a 3Σ+ state molecules which decay from electronically excited (2)0- state RbCs molecules are detected by resonance-enhanced two-photon ionization. The new rovibrational levels (v = 189, 190) in the (2)0- state are also observed, which exist in theory and have not been observed in experiments yet. The corresponding rotational constants are measured by photoassociation spectroscopy, which are consistent with theoretical calculations using a nonrigid rotor model.
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| 关 键 词： | 超冷分子 缔合 状态 红细胞 离解 电子激发态 RBCs 激光冷却 |
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