Magnetic field effects in the transitions of the HD+ molecular ion and precision spectroscopy

被引:38
|
作者
Bakalov, D. [1 ]
Korobov, V. I. [2 ]
Schiller, S. [3 ]
机构
[1] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BU-1784 Sofia, Bulgaria
[2] Joint Inst Nucl Res, Bogolyubov Lab Theoret Phys, Dubna 141980, Russia
[3] Univ Dusseldorf, Inst Expt Phys, D-40225 Dusseldorf, Germany
基金
俄罗斯基础研究基金会;
关键词
STATE;
D O I
10.1088/0953-4075/44/2/025003
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We analyse the effects of an external magnetic field on the ro-vibrational, rotational and radiofrequency transitions of the HD+ molecular ion-an important systematic effect in precision spectroscopy of HD+, which is of interest for metrology of the fundamental constants. The effects of an external magnetic field on the ro-vibrational, rotational and radiofrequency (hyperfine) transitions of the HD+ molecular ion are considered, for one-photon and, where relevant, two-photon transitions. The hyperfine structure of the spectrum lines is taken into account. Particular attention has been devoted to those transitions which are most insensitive to the magnetic field and its orientation with respect to the polarization of the radiation field. We identify experimentally accessible two-photon transitions that exhibit no Zeeman shift, one-photon and two-photon transitions that provide symmetrically split doublets, and one-photon transitions that show only a very weak quadratic Zeeman shift. The importance of the spin-stretched states is emphasized. The results can be used to determine the most suitable transitions given the experimental conditions.
引用
收藏
页数:11
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