Two-dimensional photoelectron momentum distribution of hydrogen in intense laser field  

作　　者：孙长平 赵松峰 陈建宏 周效信 

机构地区：[1]Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province,College of Physics and Electronic Engineering,Northwest Normal University [2]Peili College of Engineering and Technique,Lanzhou City University

出　　处：《Chinese Physics B》2011年第11期183-189,共7页中国物理B（英文版）

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.11044007 and 11064013);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20096203110001);the Foundation of Northwest Normal University,China(Grant Nos.NWNU-KJCXGC-03-62 and NWNU-KJCXGC-03-70)

摘　　要：Two-dimensional （2D） electron momentum distributions and energy spectra of a hydrogen in an intense laser field are calculated by solving the time-dependent SchrSdinger equation combined with the window-operator technique. Compared with the standard projection technique, the window-operator technique has the advantage that the continuum states of atoms can be avoided in the calculation. We show that the 2D electron momentum distributions and the energy spectra from those two techniques accord quite well with each other if an appropriate energy width is used in the window operator.Two-dimensional （2D） electron momentum distributions and energy spectra of a hydrogen in an intense laser field are calculated by solving the time-dependent SchrSdinger equation combined with the window-operator technique. Compared with the standard projection technique, the window-operator technique has the advantage that the continuum states of atoms can be avoided in the calculation. We show that the 2D electron momentum distributions and the energy spectra from those two techniques accord quite well with each other if an appropriate energy width is used in the window operator.

关 键 词：momentum distribution energy spectra time-dependent Schrodinger equation 

分 类 号：O562[理学—原子与分子物理]