2016/09/25 by Tao Chen, Wenhao Bu, Bo Yan · 1 citation
Mathematics · Physics and Astronomy · #Advanced Chemical Physics Studies #Algorithm #Atomic and Subatomic Physics Research #Branching (polymer chemistry) #Cold Atom Physics and Bose-Einstein Condensates #Materials science #Mathematics #physics.atom-ph
paper · pdf · doi:10.1103/physreva.94.063415
published as Phys. Rev. A 94, 063415 (2016) · 10 pages, 5 figures
arxiv created 2016/09/25 · openalex created_date 2016/10/07 · openalex publication_date 2016/12/19 · arxiv updated 2016/12/28 · openalex updated_date 2026/08/05
For laser-cooling considerations, we have theoretically investigated the electronic, rovibrational, and hyperfine structures of the BaF molecule. The highly diagonal Franck-Condon factors and the branching ratios for all possible transitions within the lowest-lying four electronic states have also been calculated. Meanwhile, the mixing between the metastable A^\ensuremath'2\mathrm\ensuremathΔ and A2\mathrm\ensuremathΠ states and, further, the lifetime of the \mathrm\ensuremathΔ state have been estimated since the loss procedure via the \mathrm\ensuremathΔ state might fatally break the main quasicycling \mathrm\ensuremathΣ\ensuremath-\mathrm\ensuremathΠ transition for cooling and trapping. The resultant hyperfine splittings of each rovibrational state in the X2\mathrm\ensuremathΣ+ state provide benchmarks for sideband modulations of the cooling and repumping lasers and the remixing microwaves to address all necessary levels. The calculated Zeeman shift and g factors for both X and A states serve as benchmarks for selection of the trapping laser polarizations. Our study paves the way for future laser cooling and magneto-optical trapping of the BaF molecule.