Above-threshold ionization of noble gases in elliptically polarized   fields: Effects of atomic polarization on photoelectron angular   distributions

doi:10.1103/PhysRevA.95.063406

CORC > 北京大学 > 工学院

	Above-threshold ionization of noble gases in elliptically polarized fields: Effects of atomic polarization on photoelectron angular distributions
	Wang, YanLan ; Yu, ShaoGang ; Lai, XuanYang ; Liu, XiaoJun ; Chen, Jing
刊名	PHYSICAL REVIEW A
	2017
关键词	MULTIPHOTON IONIZATION TUNNELING IONIZATION HARMONIC-GENERATION ELECTRIC-FIELD LASER FIELD ASYMMETRIES RADIATION SPECTRA HELIUM PHOTOIONIZATION
DOI	10.1103/PhysRevA.95.063406
英文摘要	We theoretically investigate the atomic polarization effect on photoelectron angular distributions (PADs) in above-threshold ionization of noble gases with elliptically polarized laser fields at wavelength of 800 nm, ellipticity of 0.25, and intensity of 1.5x10(14) W/cm(2). Simulations based on a semiclassical model that includes both the ionic Coulomb potential and the atomic polarization effect show surprisingly little difference between PADs for Ar, Kr, and Xe, which is in good agreement with recent experimental observations. Our calculations reveal that the atomic polarization effect increases the distance of the tunnel exit point of the photoelectron to the parent ion and weakens the strength of the interaction between the parent ion and the photoelectron on its subsequent classical propagation. As a result, the forward-scattering electrons which contribute to the main lobes in PADs are substantially suppressed. Our results indicate that the insensitivity of PADs for Ar, Kr, and Xe may be closely related to the influence of the atomic polarization effect on the photoelectron dynamics in the strong laser field.; NNSF of China [11334009, 11527807, 11374329, 11474321, 11425414]; National Basic Research Program of China [2013CB922201]; National Key program for S&T Research and Development [2016YFA0401100]; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB21010400]; SCI(E); ARTICLE; 6; 95
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/472892]
专题	工学院
推荐引用方式 GB/T 7714	Wang, YanLan,Yu, ShaoGang,Lai, XuanYang,et al. Above-threshold ionization of noble gases in elliptically polarized fields: Effects of atomic polarization on photoelectron angular distributions[J]. PHYSICAL REVIEW A,2017.
APA	Wang, YanLan,Yu, ShaoGang,Lai, XuanYang,Liu, XiaoJun,&Chen, Jing.(2017).Above-threshold ionization of noble gases in elliptically polarized fields: Effects of atomic polarization on photoelectron angular distributions.PHYSICAL REVIEW A.
MLA	Wang, YanLan,et al."Above-threshold ionization of noble gases in elliptically polarized fields: Effects of atomic polarization on photoelectron angular distributions".PHYSICAL REVIEW A (2017).