Control of electron localization in the dissociation of H_(2)^(+)and its isotopes with a THz pulse  

作　　者：贾正茂 曾志男 李儒新 徐至展 邓蕴沛 

机构地区：[1]State Key Laboratory of High Field Laser Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences [2]Fritz-Haber-Institut der Max-Planck-Gesellschaft,Faradayweg 4-6,14195 Berlin,Germany

出　　处：《Chinese Physics B》2015年第1期226-231,共6页中国物理B（英文版）

基　　金：Project supported by the National Natural Science Foundation of China(Grant Nos.11127901,60921004,11134010,11222439,11227902,and 61108012);the National Basic Research Program of China(Grant No.2011CB808103)

摘　　要：The molecular dissociation with a two-laser-pulse scheme is theoretically investigated for the hydrogen molecular ion（H2^＋） and its isotopes（HD^＋and HT^＋）. The terahertz pulse is used to steer the electron motion after it has been excited by an ultrashort ultraviolet laser pulse and an unprecedented electron localization ratio can be achieved. With the coupled equations, the mass effect of the nuclei on the effective time of the electron localization control is discussed.The molecular dissociation with a two-laser-pulse scheme is theoretically investigated for the hydrogen molecular ion（H2^＋） and its isotopes（HD^＋and HT^＋）. The terahertz pulse is used to steer the electron motion after it has been excited by an ultrashort ultraviolet laser pulse and an unprecedented electron localization ratio can be achieved. With the coupled equations, the mass effect of the nuclei on the effective time of the electron localization control is discussed.

关 键 词：dissociation probability hydrogen molecular ion terahertz pulse time-dependent Schrdinger equation 

分 类 号：O561[理学—原子与分子物理]