Electron localization of H_2^+ in a dc electric field  

作　　者：Z M Jia Z N Zeng W T Tang R X Li 贾正茂;曾志男;唐文涛;李儒新(State Key Laboratory of High Field Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences;Signal and Information Processing,Jingchu University of Technology)

机构地区：[1]State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China [2]Signal and Information Processing, Jingchu University of Technology, Jingmen 448000, China

出　　处：《Chinese Physics B》2017年第1期170-175,共6页中国物理B（英文版）

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.11127901,61521093,11134010,11227902,11222439,and 11274325);the National Basic Research Program of China(Grant No.2011CB808103)

摘　　要：A dc electric field is utilized to steer the electron motion after the molecular ion H2-＋ is excited by an ultrashort ultraviolet laser pulse. The numerical simulation shows that the electron localization distribution and the dissociation control ratio are dependent on the polarization direction and amplitude of the dc electric field. Most electrons of the dissociation state move opposite to the dc electric field and stabilize at the dressed-up potential well, for the dressed-down well is occupied by the electrons of the 1 sσg state.A dc electric field is utilized to steer the electron motion after the molecular ion H2-＋ is excited by an ultrashort ultraviolet laser pulse. The numerical simulation shows that the electron localization distribution and the dissociation control ratio are dependent on the polarization direction and amplitude of the dc electric field. Most electrons of the dissociation state move opposite to the dc electric field and stabilize at the dressed-up potential well, for the dressed-down well is occupied by the electrons of the 1 sσg state.

关 键 词：dissociation localization time dependent Schrdinger equation Coulomb potential ultraviolet laser pulse 

分 类 号：O641.1[理学—物理化学]