Stark effect of the hyperfine structure of ICl in its rovibronic ground state: Towards further molecular cooling |
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Affiliation: | 1. School of Science, Nantong University, Nantong 226019, China;2. State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China |
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Abstract: | Hyperfine structures of ICl in its vibronic ground state due to the nuclear spin and electric quadruple interactions are determined by diagonalizing the effective Hamiltonian matrix. Furthermore, the Stark sub-levels are precisely determined as well. The results are helpful for electro-static manipulation (trapping or further cooling) of cold ICl molecules. For example, an electric field of 1000 V/cm can trap ICl molecules less than 637 μK in the lowest hyperfine level. |
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Keywords: | hyperfine structure Stark effect |
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