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Population coherent control of Rydberg potassium atom via adiabatic passage |
| Jiang Li-Juan (蒋利娟)a b, Zhang Xian-Zhou (张现周)a, Jia Guang-Rui (贾光瑞)a, Zhang Yong-Hui (张永慧)a, Xia Li-Hua (夏立华 )a |
a Department of Physics, Henan Normal University, Xinxiang 453007, China;
b Department of Physics, Xinxiang University, Xinxiang 453000, China |
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Abstract The time-dependent multilevel approach (TDMA) and B-spline expansion technique are used to study the coherent population transfer between the quantum states of potassium atom by a single frequency-chirped microwave pulse. The Rydberg potassium atom energy levels of n=6-15, l=0-5 states in zero field are calculated and the results are in good agreement with other theoretical values. The time evolutions of the population transfer of the six states from n=70 to n=75 in different microwave fields are obtained. The results show that the coherent control of the population transfer from the lower states to the higher ones can be accomplished by optimizing the microwave pulse parameters.
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Received: 31 March 2012
Revised: 08 May 2012
Accepted manuscript online:
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PACS:
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31.10.+z
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(Theory of electronic structure, electronic transitions, and chemical binding)
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32.80.Ee
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(Rydberg states)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 10774039); the Natural Science Foundation of Education Bureau of Henan Province, China (Grant Nos. 2010C140002 and 2010A140006); and the Research Planning Project of Basic and Advanced Technology of Henan Province, China (Grant No. 112300410025). |
Corresponding Authors:
Jiang Li-Juan, Zhang Xian-Zhou
E-mail: jianglijuan2003@163.com; xz-zhang@henannu.edu.cn
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Cite this article:
Jiang Li-Juan (蒋利娟), Zhang Xian-Zhou (张现周), Jia Guang-Rui (贾光瑞), Zhang Yong-Hui (张永慧), Xia Li-Hua (夏立华 ) Population coherent control of Rydberg potassium atom via adiabatic passage 2013 Chin. Phys. B 22 023101
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