期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 13, 期 42, 页码 18844-18851出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1cp21204d
关键词
-
资金
- Netherlands Organisation for Scientific Research
A calculation of dynamic polarizabilities of rovibrational states with vibrational quantum number v = 0-7 and rotational quantum number J = 0,1 in the 1s sigma(g) ground-state potential of HD+ is presented. Polarizability contributions by transitions involving other 1s sigma(g) rovibrational states are explicitly calculated, whereas contributions by electronic transitions are treated quasi-statically and partially derived from existing data [ R. E. Moss and L. Valenzano, Mol. Phys., 2002, 100, 1527]. Our model is valid for wavelengths >4 mu m and is used to assess level shifts due to the blackbody radiation (BBR) electric field encountered in experimental high-resolution laser spectroscopy of trapped HD+ ions. Polarizabilities of 1s sigma(g) rovibrational states obtained here agree with available existing accurate ab initio results. It is shown that the Stark effect due to BBR is dynamic and cannot be treated quasi-statically, as is often done in the case of atomic ions. Furthermore it is pointed out that the dynamic Stark shifts have tensorial character and depend strongly on the polarization state of the electric field. Numerical results of BBR-induced Stark shifts are presented, showing that Lamb-Dicke spectroscopy of narrow vibrational optical lines (similar to 10 Hz natural linewidth) in HD+ will become affected by BBR shifts only at the 10(-16) level.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据