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Volume 8, Issue 1
High-Order-Harmonic Generation and Ionization from H2 by Time-Dependent Density-Functional Theory

Shushan Zhou, Jing Guo, Jigen Chen & Yujun Yang

DOI: 10.4208/jams.050617.061617a

J. At. Mol. Sci., 8 (2017), pp. 18-21.

Published online: 2017-08

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  • Abstract

The ionization and high-order harmonic generation (HHG) of a hydrogen molecule in an ultra-short intense laser are investigated by using the time-dependent density functional theory (TDDFT). Our numerical results show, the higher ionization probability and lower cutoff energy of harmonic emission compared with those from the time-dependent Schrodinger equation (TDSE), which is caused by the smaller ionization energy from TDDFT. The disparities of the HHG transient behavior and the attosecond pulse are also discussed.

  • Keywords

time-dependent density functional, high-order harmonic generation, attosecond.

  • AMS Subject Headings

  • Copyright

COPYRIGHT: © Global Science Press

  • Email address

gjing@jlu.edu.cn (Jing Guo)

yangyj@jlu.edu.cn (Yujun Yang)

  • BibTex
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  • TXT
@Article{JAMS-8-18, author = {Zhou , ShushanGuo , JingChen , Jigen and Yang , Yujun}, title = {High-Order-Harmonic Generation and Ionization from H2 by Time-Dependent Density-Functional Theory}, journal = {Journal of Atomic and Molecular Sciences}, year = {2017}, volume = {8}, number = {1}, pages = {18--21}, abstract = {

The ionization and high-order harmonic generation (HHG) of a hydrogen molecule in an ultra-short intense laser are investigated by using the time-dependent density functional theory (TDDFT). Our numerical results show, the higher ionization probability and lower cutoff energy of harmonic emission compared with those from the time-dependent Schrodinger equation (TDSE), which is caused by the smaller ionization energy from TDDFT. The disparities of the HHG transient behavior and the attosecond pulse are also discussed.

}, issn = {2079-7346}, doi = {https://doi.org/10.4208/jams.050617.061617a}, url = {http://global-sci.org/intro/article_detail/jams/10431.html} }
TY - JOUR T1 - High-Order-Harmonic Generation and Ionization from H2 by Time-Dependent Density-Functional Theory AU - Zhou , Shushan AU - Guo , Jing AU - Chen , Jigen AU - Yang , Yujun JO - Journal of Atomic and Molecular Sciences VL - 1 SP - 18 EP - 21 PY - 2017 DA - 2017/08 SN - 8 DO - http://doi.org/10.4208/jams.050617.061617a UR - https://global-sci.org/intro/article_detail/jams/10431.html KW - time-dependent density functional, high-order harmonic generation, attosecond. AB -

The ionization and high-order harmonic generation (HHG) of a hydrogen molecule in an ultra-short intense laser are investigated by using the time-dependent density functional theory (TDDFT). Our numerical results show, the higher ionization probability and lower cutoff energy of harmonic emission compared with those from the time-dependent Schrodinger equation (TDSE), which is caused by the smaller ionization energy from TDDFT. The disparities of the HHG transient behavior and the attosecond pulse are also discussed.

Zhou , ShushanGuo , JingChen , Jigen and Yang , Yujun. (2017). High-Order-Harmonic Generation and Ionization from H2 by Time-Dependent Density-Functional Theory. Journal of Atomic and Molecular Sciences. 8 (1). 18-21. doi:10.4208/jams.050617.061617a
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