Coherent phase control in electron argon scattering in a bichromatic laser field  

作　　者：周斌 李书民 

机构地区：[1]Department of Modern Physics,University of Science and Technology of China [2]Institut fr Theoretische Physik,Universitt Heidelberg, Philosophenweg 16,69120 Heidelberg,Germany

出　　处：《Chinese Physics B》2010年第3期284-287,共4页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China (Grant Nos. 10874169 and 10674125);the National Basic Research Program of China (Grant No. 2007CB925200);S.-M. Li is grateful to Deutscher Akademischer Austauschdienst and Deutsche Forschungsgemeinschaft for financial support during his stay in Germany

摘　　要：This paper theoretically investigates the coherent phase control in electron-argon scattering assisted by a bichro- matic laser field. The laser field is composed of a fundamental component and its second harmonic. The incoming and out going states of electron are described by the Volkov wave functions, and the electron-target interaction is treated as a screening potential. Numerical results for differential cross section of multiphoton processes vs the phase difference between the two components of laser field are discussed for several scattering angles and impact energies.This paper theoretically investigates the coherent phase control in electron-argon scattering assisted by a bichro- matic laser field. The laser field is composed of a fundamental component and its second harmonic. The incoming and out going states of electron are described by the Volkov wave functions, and the electron-target interaction is treated as a screening potential. Numerical results for differential cross section of multiphoton processes vs the phase difference between the two components of laser field are discussed for several scattering angles and impact energies.

关 键 词：coherent phase control bichromatic laser field electron argon free-free transition 

分 类 号：O562.5[理学—原子与分子物理]