通常只有当样品的自旋浓度很大(如水中的质子), 强磁场和使用高分辨率谱仪的条件下, 辐射阻尼现象才能被观测到. 但是我们利用激光增强原子极化的方法, 使液态129Xe极化度提高到1.45%, 相同条件下比未激光极化的极化度增强5 000倍, 因此我们能在低磁场流动系统中观测到液态129Xe的辐射阻尼.
参考文献
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| [4] | Zeng X, Wu Z, Call T, et al. Experimental Determination of the Rate Constants for Spin Exchange Between Optically Pumped K, Rb, and Cs Atoms and 129Xe Nuclei in Alkali-metal-nobel-gas Van Der Waals Molecules[J]. Phys Rev, 1985, A31: 260. |
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