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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
  • RIS
  • 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.

Shushan Zhou, Jing Guo, Jigen Chen & Yujun Yang. (2019). 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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