Photoassociative production of ultracold heteronuclear ytterbium molecules
Photoassociative production of ultracold heteronuclear ytterbium molecules
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DOI：
10.1103/physreva.84.030702
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发表时间：
2011-09
影响因子：
2.9
通讯作者：
M. Borkowski;R. Ciuryło;P. Julienne;R. Yamazaki;H. Hara;K. Enomoto;S. Taie;S. Sugawa;Y. Takasu;Y. Takahashi
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文献类型：
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作者：
M. Borkowski;R. Ciuryło;P. Julienne;R. Yamazaki;H. Hara;K. Enomoto;S. Taie;S. Sugawa;Y. Takasu;Y. Takahashi
本文报道了超冷镱气体同位素混合物在互合线附近的光缔合（PA）光谱观测。在激发态{sup 170}Yb{sup 174}Yb和{sup 174}Yb{sup 176}Yb分子中发现了几个异核结合态。我们建立了激发态分子的单通道质量尺度相互作用模型，该模型很好地再现了测量到的束缚态能量。这是利用异核光学费什巴赫共振光学控制超冷镱气体混合物中相互作用的重要一步。所建立的模型适用于其他类似系统的碰撞，如镉和汞。
We report observations of photoassociation (PA) spectra near the intercombination line in isotopic mixtures of ultracold ytterbium gases. Several heteronuclear bound states have been found for the excited {sup 170}Yb{sup 174}Yb and {sup 174}Yb{sup 176}Yb molecules. We develop a single-channel mass-scaled interaction model for the excited state molecule which well reproduces the measured bound state energies. This is an important step toward optical control of interactions in mixtures of ultracold ytterbium gases using heteronuclear optical Feshbach resonances. The model developed is applicable in collisions of other similar systems, such as cadmium and mercury.