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Chin. Phys. B, 2017, Vol. 26(4): 043202    DOI: 10.1088/1674-1056/26/4/043202

The effect of field modulation on the vibrational population of the photoassociated NaK and its dynamics

Yu Wang(王玉)1, Da-Guang Yue(岳大光)1, Xu-Cong Zhou(周旭聪)1, Ya-Hui Guo(郭雅慧)2, Qing-Tian Meng(孟庆田)1
1 School of Physics and Electronics, Shandong Normal University, Ji'nan 250014, China;
2 College of Science, China University of Petrolium, Qingdao 266580, China

This paper presents calculation results for the photoassociation of a NaK molecule with a two-color modulated laser and gives a detailed analysis about them. For the two-step photoassociation process in intense fields, the effect of two-color modulated laser parameters, such as relative phase, envelope period, and laser intensity, on the population of the molecular electronic state can be obtained by solving the time-dependent Schrödinger equation through the quantum wave packet method. The numerical simulation shows not only that the influence of laser parameters on the vibrational distribution presents some regularity, but also that a higher population in the ground electronic state can be realized through adjusting these laser parameters.

Keywords:  photoassociation      time-dependent wave packet method      light-matter interaction      NaK  
Received:  22 November 2016      Revised:  28 December 2016      Published:  05 April 2017
PACS:  32.80.Qk (Coherent control of atomic interactions with photons)  
  34.50.Rk (Laser-modified scattering and reactions)  
  33.80.-b (Photon interactions with molecules)  
  82.20.Bc (State selected dynamics and product distribution)  

Project supported by the National Natural Science Foundation of China (Grant No. 11674198) and the Natural Science Foundations of Shandong Province, China (Grant Nos. ZR2014AM022 and ZR2015AL023). Partial financial support from Taishan Scholar Project of Shandong Province is also acknowledged.

Corresponding Authors:  Qing-Tian Meng     E-mail:

Cite this article: 

Yu Wang(王玉), Da-Guang Yue(岳大光), Xu-Cong Zhou(周旭聪), Ya-Hui Guo(郭雅慧), Qing-Tian Meng(孟庆田) The effect of field modulation on the vibrational population of the photoassociated NaK and its dynamics 2017 Chin. Phys. B 26 043202

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