کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5376649 | 1504320 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Comparison of the mechanisms of enhanced ionization of H2 and H3+ in intense laser fields
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The effects of spatial symmetry regulated by the molecular spin states on the ionization dynamics are investigated in two-electron molecular systems. As typical two-electron molecules, we focus on the ionization dynamics of H2 and H3+ in an ultra-short intense laser pulse by solving exactly the time-dependent Schrödinger equation for a one-dimensional model which explicitly treats two electrons moving along the molecular axis on the assumption of fixed nuclei. Enhanced ionization is observed at a critical internuclear distance Rc in the singlet H2 and both the singlet and triplet states of H3+. Comparing the dynamics of H2 and that of H3+, it is clarified that not only the ionization potential of the molecule but also the spatial symmetry of the wave function has an important effect on the ionization dynamics.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Physics - Volume 338, Issues 2â3, 25 September 2007, Pages 348-353
Journal: Chemical Physics - Volume 338, Issues 2â3, 25 September 2007, Pages 348-353
نویسندگان
Norihiro Suzuki, Isao Kawata, Koichi Yamashita,