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Ground-state properties of weakly bound helium-alkali trimers

机译:弱束氦碱金属三聚体的地线性质

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Weakly bound triatomic molecules consisting of two helium atoms and one alkali metal atom are studied by means of the diffusion Monte Carlo method. We determined the stability of (4)He(2)A, (4)He(3)HeA, and (3)He(2)A, where A is one of the alkali atoms Li, Na, K, Rb, or Cs. Some of the trimers with He-3 are predicted to be self-bound for the first time, but this is observed to be dependent on the He-A interaction potential model. In addition to the ground-state energy of the trimers, we determined their density, radial, and angular distributions. Many of them are spatially very extended, which qualifies them as quantum halo states. Published by AIP Publishing.
机译:通过扩散蒙特卡罗方法研究由两个氦原子和一个碱金属原子组成的弱三种三族分子。 我们确定了(4)他(2)A,(4)Hea(3)Hea,和(3)他(2)A的稳定性,其中A是碱原子Li,Na,K,Rb或 CS。 预测HE-3的一些三聚体是第一次自键,但是观察到这依赖于HE-A相互作用潜在模型。 除了三聚体的地位能量之外,我们确定了它们的密度,径向和角度分布。 其中许多在空间上很延伸,这使它们与量子晕状态有资格。 通过AIP发布发布。

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