کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1534568 | 1512595 | 2014 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Validity of the quantitative rescattering theory for high-order harmonic generation of atoms in two-color laser pulses
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Validity of the quantitative rescattering theory for high-order harmonic generation of atoms in two-color laser pulses Validity of the quantitative rescattering theory for high-order harmonic generation of atoms in two-color laser pulses](/preview/png/1534568.png)
چکیده انگلیسی
The quantitative rescattering (QRS) theory has been recently developed to study the high-order harmonic generation (HHG) of atoms and molecules exposed to a linearly polarized single-color laser pulse. According to the QRS, the HHG spectra can be expressed as a product of the returning electron wave packet and the photorecombination differential cross section of the laser-free continuum electron back to the initial ground state. In this paper, we extend the QRS to the case of two-color laser fields. The validity of the QRS for two-color pulses is carefully examined by comparing the HHG spectra of several rare-gas atoms obtained from the QRS with those results from the solution of the time-dependent Schrödinger equation (TDSE) based on the single active electron approximation. Our results show that the QRS theory for the HHG of atoms works quite well in the case of two-color pulses.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 328, 1 October 2014, Pages 30-36
Journal: Optics Communications - Volume 328, 1 October 2014, Pages 30-36
نویسندگان
Song-Feng Zhao, Yunqin Wang, Guoli Wang, Xiao-Xin Zhou,