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Analysis of Polarizability Measurements Made with Atom Interferometry

机译:原子干涉法进行的极化率测量分析

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摘要

We present revised measurements of the static electric dipole polarizabilities of K, Rb, and Cs based on atom interferometer experiments presented in [Phys. Rev. A 2015, 92, 052513] but now re-analyzed with new calibrations for the magnitude and geometry of the applied electric field gradient. The resulting polarizability values did not change, but the uncertainties were significantly reduced. Then, we interpret several measurements of alkali metal atomic polarizabilities in terms of atomic oscillator strengths f(ik), Einstein coefficients A(ik), state lifetimes tau(k), transition dipole matrix elements D-ik, line strengths S-ik, and van der Waals C-6 coefficients. Finally, we combine atom interferometer measurements of polarizabilities with independent measurements of lifetimes and C-6 values in order to quantify the residual contribution to polarizability due to all atomic transitions other than the principal ns-np(J) transitions for alkali metal atoms.
机译:我们根据[物理学报]中介绍的原子干涉仪实验,介绍了K,Rb和Cs的静电偶极极化率的修订测量值。 Rev. A 2015,92,052513],但现在使用新的校准重新分析了所施加电场梯度的大小和几何形状。最终的极化率值没有改变,但是不确定性大大降低了。然后,我们根据原子振荡器强度f(ik),爱因斯坦系数A(ik),状态寿命tau(k),跃迁偶极子矩阵元素D-ik,线强度S-ik,和范德华斯C-6系数。最后,我们结合使用原子干涉仪对极化率的测量结果与寿命和C-6值的独立测量结果,以量化由于除碱金属原子的主要ns-np(J)跃迁以外的所有原子跃迁所引起的对极化率的剩余贡献。

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