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Preparation of a high concentration of lithium-7 atoms in a magneto-optical trap

  • Atoms, Molecules, Optics
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Abstract

This study is aimed at obtaining high concentration of optically cooled lithium-7 atoms for preparing strongly interacting ultracold plasma and Rydberg matter. A special setup has been constructed, in which two high-power semiconductor lasers are used to cool lithium-7 atoms in a magneto-optical trap. At an optimum detuning of the cooling laser frequency and a magnetic field gradient of 35 G/cm, the concentration of ultracold lithium-7 atoms reaches about 1011 cm−3. Additional independent information about the concentration and number of ultracold lithium-7 atoms on different sublevels of the ground state was obtained by using of an additional probing laser.

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Authors and Affiliations

  1. Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow, 127412, Russia

    B. B. Zelener, S. A. Saakyan, V. A. Sautenkov, B. V. Zelener & V. E. Fortov

  2. National Research Nuclear University “Moscow Engineering Physics Institute,”, Moscow, 115409, Russia

    B. B. Zelener & E. A. Manykin

  3. National Research Centre “Kurchatov Institute,”, Moscow, 123182, Russia

    E. A. Manykin

  4. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, 119991, Russia

    V. A. Sautenkov

Authors
  1. B. B. Zelener
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  2. S. A. Saakyan
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  3. V. A. Sautenkov
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  4. E. A. Manykin
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  5. B. V. Zelener
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  6. V. E. Fortov
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Corresponding author

Correspondence to B. B. Zelener.

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Original Russian Text © B.B. Zelener, S.A. Saakyan, V.A. Sautenkov, E.A. Manykin, B.V. Zelener, V.E. Fortov, 2014, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2014, Vol. 146, No. 5, pp. 909–916.

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Zelener, B.B., Saakyan, S.A., Sautenkov, V.A. et al. Preparation of a high concentration of lithium-7 atoms in a magneto-optical trap. J. Exp. Theor. Phys. 119, 795–801 (2014). https://doi.org/10.1134/S1063776114110211

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  • DOI: https://doi.org/10.1134/S1063776114110211

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