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arXiv physics/0604139physics.atom-phphysics.chem-ph
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利用光缔合隧穿有效形成强束缚超冷铯分子

Efficient formation of strongly bound ultracold cesium molecules by photoassociation with tunneling

Mihaela Vatasescu, Claude M. Dion, Olivier Dulieu

摘要:

计算了超冷原子通过双阱0 g-(6S 1/2 + 6P 3/2)态光缔合得到的超冷Cs_2分子的形成率和探测率。我们集中在两个功能先前观察到的实验和归因于隧道之间的两个井[Vatasescu等2000物理修订A 61 044701]。结果表明,所得到的分子处于亚稳α_3Sigma_u+(6S_(1/2)+6S_(1/2))基态的强束缚能级(v ″ = 5,6).

英文摘要:

We calculate the rates of formation and detection of ultracold Cs_2 molecules obtained from the photoassociation of ultracold atoms through the double-well 0g- (6S1/2 + 6P3/2) state. We concentrate on two features previously observed experimentally and attributed to tunneling between the two wells [Vatasescu et al 2000 Phys. Rev. A 61 044701]. We show that the molecules obtained are in strongly bound levels (v''=5,6) of the metastable a3Sigma_u+ (6S1/2 + 6S1/2) ground electronic state.

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