Electron-Helium Scattering in a Bichromatic Laser Field in the Second-Order Born Approximation  

作　　者：周斌 李书民 

机构地区：[1]Department of Modern Physics, University of Science and Technology of China, PO Box 4, Hefei 230026 [2]Institut fur Theoretische Physik, Universitat Heidelberg, Philosophenweg 16, 69120 Heidelberg, Germany

出　　处：《Chinese Physics Letters》2009年第4期86-88,共3页中国物理快报（英文版）

基　　金：Supported by the National Nature Science Foundation of China under Grant Nos 10874169 and 10674125, the National Basic Research Program of China under Grant No 2007CB925200, and the Deutsche Forschungsgemeinschaft.

摘　　要：The elastic scattering of electrons in atomic helium assisted by a bichromatic laser field is investigated in the second order Born approximation. The target atom is approximated by a simple screening potential. The dependence of the differential cross section on the relative phase between the two laser components is calculated, and compared with the recent results of first order Born approximation [Sun J F, Liang M C and Zhu Z L 2007 Chin. Phys. Lett. 24 2572].The elastic scattering of electrons in atomic helium assisted by a bichromatic laser field is investigated in the second order Born approximation. The target atom is approximated by a simple screening potential. The dependence of the differential cross section on the relative phase between the two laser components is calculated, and compared with the recent results of first order Born approximation [Sun J F, Liang M C and Zhu Z L 2007 Chin. Phys. Lett. 24 2572].

关 键 词：gamma-ray bursts GAMMA-RAYS RELATIVITY 

分 类 号：O413.1[理学—理论物理] O561.5[理学—物理]