State transfer of nS ultracold Rydberg atoms in external electric fields

被引：2

作者：

Chen, Jie ^{[1
]}

Zhang, Hao ^{[1
]}

Wang, Limei ^{[1
]}

Bao, Shanxia ^{[1
]}

Zhang, Linjie ^{[1
]}

Li, Changyong ^{[1
]}

Zhao, Jianming ^{[1
]}

Jia, Suotang ^{[1
]}

机构：

[1] Shanxi Univ, State Key Lab Quantum Opt & Quantum Opt Devices, Inst Laser Spect, Taiyuan 030006, Peoples R China

来源：

EUROPEAN PHYSICAL JOURNAL D | 2014年 / 68卷 / 09期

基金：

中国国家自然科学基金;

关键词：

LANDAU-ZENER ANTICROSSINGS; TIME EVOLUTION; SPECTROSCOPY; IONIZATION;

D O I：

10.1140/epjd/e2014-40605-x

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The state transfer from cesium nS (n = 45-53) states to Stark (product) states induced by a weak electric field (WEF) pulse was investigated using the state-selective field ionization method in a standard magneto-optic trap (MOT). The WEF pulse shifts the nS Rydberg states that anticross with the (n - 4) hydrogen-like manifolds, causing state transitions from the initial excited nS state to the Stark states. The mechanism of transfer was investigated by changing the rising and falling time of the WEF pulse and the switching off time of the external field pulse had an important role during the evolution process of product states. The population of the product states is also measured as a function of the principal quantum number and Rydberg densities.

引用

页数：6

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