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6Li原子跃迁频率和超精细分裂的精密测量

武跃龙 李睿 芮扬 姜海峰 武海斌

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6Li原子跃迁频率和超精细分裂的精密测量

武跃龙, 李睿, 芮扬, 姜海峰, 武海斌

Precise measurement of 6Li transition frequencies and hyperfine splitting

Wu Yue-Long, Li Rui, Rui Yang, Jiang Hai-Feng, Wu Hai-Bin
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  • 本文实现了可用于锂原子频率精密测量的冷原子系统,获得了大数目的原子样品;利用西西弗斯冷却和速度选择相干布居俘获实现了6Li的冷原子的灰色黏胶冷却,原子的温度被冷却到多普勒冷却极限以下,达到50 μ K;利用光学频率梳,实验上测量了D1线的跃迁频率和超精细分裂,测量结果和理论计算相接近,可以和目前最精确的测量相比较.这些测量为进一步的轻质量原子频率的精密测量、α常数以及核半径的精确标定打下了基础.
    In this paper, we report a precision measurement of hyperfine splitting and absolute frequency of D1 line in cold 6Li atoms. The gray molasses is realized in the experiment and the tempreature is cooled to about 50 μK, which is lower than the Doppler cooling limit, 140 μK. By use of an optical comb, the absolute frequencies and corresponding hyperfine splitting are measured. We obtain frequencies of 446789503.080(35) MHz, 446789529.198(36) MHz, 446789731.316(50) MHz and 446789757.476(29) MHz for the D1 line. The results are in reasonable agreement with the theoretical calculations and consistent with earlier measurements. They could provide an important foundation for future frequency measurement, α constant and nuclear radius.
      通信作者: 武海斌, hbwu@phy.ecnu.edu.cn
    • 基金项目: 国家重点研发计划(批准号:2017YFA0304201)、国家自然科学基金(批准号:11734008,11374101,91536112,116214040)、上海市优秀学术带头人(批准号:17XD1401500)和上海市基础研究重大研究计划(批准号:17JC1400500).
      Corresponding author: Wu Hai-Bin, hbwu@phy.ecnu.edu.cn
    • Funds: Project supported by the National Key Research and Development Program of China (Grant No. 2017YFA0304201), the National Natural Science Foundation of China (Grant Nos. 11734008, 11374101, 91536112, 116214040), Shanghai Outstanding Academic Leader, China (Grant No. 17XD1401500), and Shanghai Major Research Projects of Basic Research, China (Grant No. 17JC1400500).
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    Puchalski M, Moro A M, Pachucki K 2006 Phys. Rev. Lett. 97 133001

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    Sánchez R, Nörtershäuser W, Ewald G, Albers D, Behr J, Bricault P, Bushaw B A, Dax A, Dilling J, Dombsky M, Drake G W F, Götte S, Kirchner R, Kluge H J, Khl Th, Lassen J, Levy C D P, Pearson M R, Prime E J, Ryjkov V, Wojtaszek A, Yan Z C, Zimmermann C 2006 Phys. Rev. Lett. 96 033002

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    Noble G, Schultz B, Ming H, Wijingaarden W 2006 Phys. Rev. A 74 012502

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    Pieper S, Pandharipande V, Wiringa R, Carlson J 2001 Phys. Rev. C 64 014001

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    Puchalski M, Pachucki K 2014 Phys. Rev. Lett. 113 073004

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    Borg K C, Eck T G, Wider H 1967 Phys. Rev. 153 91

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    Arimondo E, Inguscio M, Violino P 1977 Rev. Mod. Phys. 49 31

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    Radziemski L J, Engleman R, Brault J W 1995 Phys. Rev. A 52 4462

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    Sansonetti C J, Richou B, Engleman R, Radziemski L J 1995 Phys. Rev. A 52 2682

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    Das D, Natarajan V 2007 Phys. Rev. A 75 052508

    [14]

    Sansonetti C, Simien C, Gillaspy J, Tan J, Brewer S, Brown R, Wu S J, Porto J 2001 Phys. Rev. Lett. 107 023001

    [15]

    Grynberg G, Courtois J Y 1994 EPL 27 41

    [16]

    Grier A, Ferrier-Barbut I, Rem B, Delehaye M, Khaykovich L, Chevy F, Salomon C 2013 Phys. Rev. A 87 063411

    [17]

    Liu Y, Lin J, Huang G, Guo Y, Duan C 2001 J. Opt. Soc. Am. B 18 666

    [18]

    Walls J, Ashby R, Clarke J J, Lu B, Wijngaarden W A 2003 Eur. Phys. J. D 22 159

    [19]

    Das D, Natarajan V 2008 J. Phys. B: At. Mol. Opt. Phys. 41 035001

    [20]

    Beckmann A, Böklen K D, Elke D 1974 Z. Phys. 270 173

    [21]

    Noble G A, Schultz B E, Ming H, Wijngaarden W A 2006 Phys. Rev. A 74 012502

    [22]

    Lien Y H, Lo K J, Chen H C, Chen J R, Tian J Y, Shy J T, Liu Y W 2011 Phys. Rev. A 84 042511

    [23]

    Chang H, Myneni K, Smith D D, Liaghati-Mobarhan H R 2017 Rev. Sci. Instrum. 88 063101

  • [1]

    Yan Z, Drake G W F 2002 Phys. Rev. A 66 042504

    [2]

    Yan Z, Norterhauser W, Drake G W F 2008 Phys. Rev. Lett. 100 243002

    [3]

    Puchalski M, Pachucki K 2009 Phys. Rev. A 79 032510

    [4]

    Puchalski M, Moro A M, Pachucki K 2006 Phys. Rev. Lett. 97 133001

    [5]

    Sánchez R, Nörtershäuser W, Ewald G, Albers D, Behr J, Bricault P, Bushaw B A, Dax A, Dilling J, Dombsky M, Drake G W F, Götte S, Kirchner R, Kluge H J, Khl Th, Lassen J, Levy C D P, Pearson M R, Prime E J, Ryjkov V, Wojtaszek A, Yan Z C, Zimmermann C 2006 Phys. Rev. Lett. 96 033002

    [6]

    Noble G, Schultz B, Ming H, Wijingaarden W 2006 Phys. Rev. A 74 012502

    [7]

    Pieper S, Pandharipande V, Wiringa R, Carlson J 2001 Phys. Rev. C 64 014001

    [8]

    Puchalski M, Pachucki K 2014 Phys. Rev. Lett. 113 073004

    [9]

    Borg K C, Eck T G, Wider H 1967 Phys. Rev. 153 91

    [10]

    Arimondo E, Inguscio M, Violino P 1977 Rev. Mod. Phys. 49 31

    [11]

    Radziemski L J, Engleman R, Brault J W 1995 Phys. Rev. A 52 4462

    [12]

    Sansonetti C J, Richou B, Engleman R, Radziemski L J 1995 Phys. Rev. A 52 2682

    [13]

    Das D, Natarajan V 2007 Phys. Rev. A 75 052508

    [14]

    Sansonetti C, Simien C, Gillaspy J, Tan J, Brewer S, Brown R, Wu S J, Porto J 2001 Phys. Rev. Lett. 107 023001

    [15]

    Grynberg G, Courtois J Y 1994 EPL 27 41

    [16]

    Grier A, Ferrier-Barbut I, Rem B, Delehaye M, Khaykovich L, Chevy F, Salomon C 2013 Phys. Rev. A 87 063411

    [17]

    Liu Y, Lin J, Huang G, Guo Y, Duan C 2001 J. Opt. Soc. Am. B 18 666

    [18]

    Walls J, Ashby R, Clarke J J, Lu B, Wijngaarden W A 2003 Eur. Phys. J. D 22 159

    [19]

    Das D, Natarajan V 2008 J. Phys. B: At. Mol. Opt. Phys. 41 035001

    [20]

    Beckmann A, Böklen K D, Elke D 1974 Z. Phys. 270 173

    [21]

    Noble G A, Schultz B E, Ming H, Wijngaarden W A 2006 Phys. Rev. A 74 012502

    [22]

    Lien Y H, Lo K J, Chen H C, Chen J R, Tian J Y, Shy J T, Liu Y W 2011 Phys. Rev. A 84 042511

    [23]

    Chang H, Myneni K, Smith D D, Liaghati-Mobarhan H R 2017 Rev. Sci. Instrum. 88 063101

计量
  • 文章访问数:  6352
  • PDF下载量:  257
  • 被引次数: 0
出版历程
  • 收稿日期:  2018-05-26
  • 修回日期:  2018-07-04
  • 刊出日期:  2019-08-20

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