Terracelike structure in the above-threshold-ionization spectrum of an atom in an IR plus XUV two-color laser field
文献类型：期刊论文
| 作者 | Zhang, Kui1; Chen, Jing2,3; Hao, Xiao-Lei3; Fu, Panming1; Yan, Zong-Chao4,5,6; Wang, Bingbing1 |
| 刊名 | PHYSICAL REVIEW A
 |
| 出版日期 | 2013-10-30 |
| 卷号 | 88期号:4 |
| 英文摘要 | Based on the frequency-domain theory, we investigate the above-threshold ionization (ATI) process of an atom in a two-color laser field with infrared (IR) and extreme ultraviolet (XUV) frequencies, where the photon energy of the XUV laser is close to or larger than the atomic ionization threshold. By using channel analysis, we find that the two laser fields play different roles in an ionization process, where the XUV laser determines the ionization probability by the photon number that the atom absorbs from it, while the IR laser accelerates the ionized electron and hence widens the electron kinetic energy spectrum. As a result, the ATI spectrum presents a terracelike structure. By using the saddle-point approximation, we obtain a classical formula which can predict the cutoff of each plateau in the terracelike ATI spectrum. Furthermore, we find that the difference of the heights between two neighboring plateaus in the terracelike structure of the ATI spectrum increases as the frequency of the XUV laser increases. |
| 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 ; STATIONARY SOLUTIONS ; RARE-GASES ; RADIATION ; ELECTRON ; PHOTOIONIZATION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000326271200006 |
| 源URL | [http://ir.wipm.ac.cn/handle/112942/810]  |
| 专题 | 武汉物理与数学研究所_理论与交叉研究部 |
| 作者单位 | 1.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Lab Opt Phys, Beijing 100190, Peoples R China 2.Peking Univ, CAPT, Key Lab High Energy Dens Phys Simulat, Beijing 100084, Peoples R China 3.Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China 4.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China 5.Chinese Acad Sci, Ctr Cold Atom Phys, Wuhan 430071, Peoples R China 6.Univ New Brunswick, Dept Phys, Fredericton, NB E3B 5A3, Canada |
| 推荐引用方式 GB/T 7714 | Zhang, Kui,Chen, Jing,Hao, Xiao-Lei,et al. Terracelike structure in the above-threshold-ionization spectrum of an atom in an IR plus XUV two-color laser field[J]. PHYSICAL REVIEW A,2013,88(4). |
| APA | Zhang, Kui,Chen, Jing,Hao, Xiao-Lei,Fu, Panming,Yan, Zong-Chao,&Wang, Bingbing.(2013).Terracelike structure in the above-threshold-ionization spectrum of an atom in an IR plus XUV two-color laser field.PHYSICAL REVIEW A,88(4). |
| MLA | Zhang, Kui,et al."Terracelike structure in the above-threshold-ionization spectrum of an atom in an IR plus XUV two-color laser field".PHYSICAL REVIEW A 88.4(2013). |
入库方式： OAI收割
来源：武汉物理与数学研究所
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