He $(2s ^3S)+$ He $(2p ^3P)$的纯长程束缚态
Purely-long-range bound states of He$(2s ^3S)+$He$(2p ^3P)$
摘要：
我们预测了在$2s ^3S_1+2p ^3P_{0,1}$原子极限附近的$^4$ He $(2s ^3S)+{}^4$ He $(2p ^3P)$纯长程束缚态的存在和位置。全多通道和近似模型的结果进行了比较，我们评估的灵敏度的束缚态原子参数表征的潜力。这些纯长程分子束缚态的光缔合作用可以提高对超冷自旋极化$^4$ He $(2s ^3S)$原子碰撞散射长度的认识，这对玻色-爱因斯坦凝聚体的研究具有重要意义.
英文摘要：
We predict the presence and positions of purely-long-range bound states of $^4$He$(2s ^3S)+{}^4$He$(2p ^3P)$ near the $2s ^3S_1+2p ^3P_{0,1}$ atomic limits. The results of the full multichannel and approximate models are compared, and we assess the sensitivity of the bound states to atomic parameters characterizing the potentials. Photoassociation to these purely-long-range molecular bound states may improve the knowledge of the scattering length associated with the collisions of two ultracold spin-polarized $^4$He$(2s ^3S)$ atoms, which is important for studies of Bose-Einstein condensates.
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