Surface location of sodium atoms attached to He-3 nanodroplets - art. no. 214508

Article

关键词: SUPERFLUID-HELIUM;    ALKALI ATOMS;    LIQUID-HELIUM;    EXCIPLEX FORMATION;    MONTE-CARLO;    SPECTROSCOPY;    NA;    MOLECULES;    STATES;    LI;   

DOI  :  10.1103/PhysRevB.70.214509

来源: SCIE

【 摘 要 】

We have experimentally studied the electronic 3p<--3s excitation of Na atoms attached to He-3 droplets by means of laser-induced fluorescence as well as beam depletion spectroscopy. From the similarities of the spectra (width/shift of absorption lines) with these of Na on He-4 droplets, we conclude that sodium atoms reside in a dimple on the droplet surface, and that superfluid-related effects are negligible. The experimental results are supported by density functional calculations at zero temperature, which confirm the surface location of sodium on He-3 droplets, and provide a detailed description of the dimple structure. The calculated shift of the excitation spectra for the two isotopes is in good agreement with the experimental data.

【 授权许可】

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