Recently we developed a theoretical model of ion–atom collisions, which was made on the basis of a time-dependent density functional theory description of the electron dynamics and a classical treatment of the heavy particle motion. Taking advantage of the real-space grid method, we introduce a “coordinate space translation” technique to allow one to focus on a certain space of interest such as the region around the projectile or the target. Benchmark calculations are given for collisions between proton and oxygen over a wide range of impact energy. To extract the probability of charge transfer, the formulation of Lüdde and Dreizler [J. Phys. B 16, 3973 (1983)] has been generalized to ensemble-averaging application in the particular case of O(3P). Charge transfer total cross sections are calculated, showing fairly good agreements between experimental data and present theoretical results.
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21 April 2011
Research Article|
April 21 2011
Coordinate space translation technique for simulation of electronic process in the ion–atom collision
Feng Wang;
Feng Wang
a)
1Department of Applied Physics,
Beijing Institute of Technology
, Beijing 100081, People's Republic of China
2Key Laboratory of Cluster Science,
Beijing Institute of Technology
, Beijing 100081, People's Republic of China
4Department of Chemistry,
Pohang University of Science and Technology
, San 31, Hyojadong, Namgu, Pohang 790-784, South Korea
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Xuhai Hong;
Xuhai Hong
1Department of Applied Physics,
Beijing Institute of Technology
, Beijing 100081, People's Republic of China
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Jian Wang;
Jian Wang
3School of Science,
Huzhou University
, Zhejiang 10083, People's Republic of China
4Department of Chemistry,
Pohang University of Science and Technology
, San 31, Hyojadong, Namgu, Pohang 790-784, South Korea
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Kwang S. Kim
Kwang S. Kim
b)
4Department of Chemistry,
Pohang University of Science and Technology
, San 31, Hyojadong, Namgu, Pohang 790-784, South Korea
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a)
Author to whom correspondence should be addressed. Electronic mail: wangfeng01@tsinghua.org.cn.
b)
Electronic mail: kim@postech.ac.kr.
J. Chem. Phys. 134, 154308 (2011)
Article history
Received:
November 07 2010
Accepted:
April 04 2011
Citation
Feng Wang, Xuhai Hong, Jian Wang, Kwang S. Kim; Coordinate space translation technique for simulation of electronic process in the ion–atom collision. J. Chem. Phys. 21 April 2011; 134 (15): 154308. https://doi.org/10.1063/1.3581820
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