Stark spectrum of barium in highly excited Rydberg states

doi:10.1088/1674-1056/22/1/013202

Chin. Phys. B ›› 2013, Vol. 22 ›› Issue (1): 13202-013202.doi: 10.1088/1674-1056/22/1/013202

• ATOMIC AND MOLECULAR PHYSICS • 上一篇下一篇

Stark spectrum of barium in highly excited Rydberg states

杨海峰, 高伟, 成红, 柳晓军, 刘红平

State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China

收稿日期:2012-05-17 修回日期:2012-07-06 出版日期:2012-12-01 发布日期:2012-12-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11174329 and 91121005) and the National Basic Research Program of China (Grant No. 2013CB922003).

Stark spectrum of barium in highly excited Rydberg states

Yang Hai-Feng (杨海峰), Gao Wei (高伟), Cheng Hong (成红), Liu Xiao-Jun (柳晓军), Liu Hong-Ping (刘红平)

State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China

Received:2012-05-17 Revised:2012-07-06 Online:2012-12-01 Published:2012-12-01
Contact: Liu Hong-Ping E-mail:liuhongping@wipm.ac.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11174329 and 91121005) and the National Basic Research Program of China (Grant No. 2013CB922003).

摘要/Abstract

摘要： We present observations of Stark spectra of barium in highly excited Rydberg states in the energy region around n=35. The one-photon excitation concerns the π transition. The observed Stark spectra at electric fields ranging from 0 to 60 V·cm^-1 are well explained by the diagonalization of the Hamiltonian incorporating the core effects. From the Stark maps, the anti-crossings between energy levels are identified experimentally and theoretically. The time of flight spectra at the specified Stark states are recorded, where the deceleration and acceleration of barium atoms are observed. It is well consistent with the prediction derived from the Stark maps on the point of view of energy conservation.

关键词: Stark effect, barium, time of flight

Abstract: We present observations of Stark spectra of barium in highly excited Rydberg states in the energy region around n=35. The one-photon excitation concerns the π transition. The observed Stark spectra at electric fields ranging from 0 to 60 V·cm^-1 are well explained by the diagonalization of the Hamiltonian incorporating the core effects. From the Stark maps, the anti-crossings between energy levels are identified experimentally and theoretically. The time of flight spectra at the specified Stark states are recorded, where the deceleration and acceleration of barium atoms are observed. It is well consistent with the prediction derived from the Stark maps on the point of view of energy conservation.

Key words: Stark effect, barium, time of flight

中图分类号: (Zeeman and Stark effects)

32.60.+i

32.30.-r (Atomic spectra?) 82.80.Rt (Time of flight mass spectrometry)

杨海峰, 高伟, 成红, 柳晓军, 刘红平. Stark spectrum of barium in highly excited Rydberg states[J]. Chin. Phys. B, 2013, 22(1): 13202-013202.

Yang Hai-Feng (杨海峰), Gao Wei (高伟), Cheng Hong (成红), Liu Xiao-Jun (柳晓军), Liu Hong-Ping (刘红平). Stark spectrum of barium in highly excited Rydberg states[J]. Chin. Phys. B, 2013, 22(1): 13202-013202.

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Stark spectrum of barium in highly excited Rydberg states

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