Recoil-ion momentum distribution for nonsequential double ionization of Xe in intense midinfrared laser fields

CORC > 武汉物理与数学研究所 > 中国科学院武汉物理与数学研究所 > 原子分子光物理研究部

	Recoil-ion momentum distribution for nonsequential double ionization of Xe in intense midinfrared laser fields
	Wang, YanLan 1,2; Xu, SongPo 1,2; Quan, Wei 1; Gong, Cheng 1; Lai, XuanYang 1; Hu, ShiLin 3,4; Liu, MingQing 3,4; Chen, Jing 3,4; Liu, XiaoJun 1
刊名	PHYSICAL REVIEW A
	2016-11-14
卷号	94 期号:5
英文摘要	We experimentally investigate the recoil-ion momentum distribution along the laser polarization direction for nonsequential double ionization of Xe by 50 fs, 2400 nm laser pulses at intensities of (22-68) TW/cm(2). The observed doubly charged ion momentum distribution exhibits a distinct transition from a flat-top structure near zero longitudinal momentum at 22TW/cm(2) to the one with two maxima at nonzero longitudinal momentum at 37TW/cm(2), 52TW/cm(2), and 68TW/cm(2), which is remarkably different from the case of 800 nm. Simulation based on a semiclassical model is used to obtain the ratios of contributions from the recollision-impact ionization (RII) and the recollision-induced excitation with subsequent field ionization (RESI) in nonsequential double ionization. Our calculation reveals that the increasing contribution of the RII channel is responsible for the more prominent double-hump structure at longer wavelength or higher laser intensity. Moreover, a simple fitting based on the calculated ratios allows one to reproduce the experimental ion momentum distributions well and obtain contributions from these two channels.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Optics ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]	Optics ; Physics
关键词[WOS]	MULTIPHOTON IONIZATION ; ELECTRON-IMPACT ; PULSES ; HELIUM ; DEPENDENCE ; SINGLE ; MODEL
收录类别	SCI
语种	英语
WOS记录号	WOS:000387881800012
内容类型	期刊论文
源URL	[http://ir.wipm.ac.cn/handle/112942/9976]
专题	武汉物理与数学研究所_原子分子光物理研究部
作者单位	1.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Peking Univ, Ctr Appl Phys & Technol, HEDPS, Beijing 100084, Peoples R China 4.Inst Appl Phys & Computat Math, POB 8009, Beijing 100088, Peoples R China
推荐引用方式 GB/T 7714	Wang, YanLan,Xu, SongPo,Quan, Wei,et al. Recoil-ion momentum distribution for nonsequential double ionization of Xe in intense midinfrared laser fields[J]. PHYSICAL REVIEW A,2016,94(5).
APA	Wang, YanLan.,Xu, SongPo.,Quan, Wei.,Gong, Cheng.,Lai, XuanYang.,...&Liu, XiaoJun.(2016).Recoil-ion momentum distribution for nonsequential double ionization of Xe in intense midinfrared laser fields.PHYSICAL REVIEW A,94(5).
MLA	Wang, YanLan,et al."Recoil-ion momentum distribution for nonsequential double ionization of Xe in intense midinfrared laser fields".PHYSICAL REVIEW A 94.5(2016).