Near QED regime of laser interaction with overdense plasmas
文献类型：期刊论文
| 作者 | Ji, L. L.; Pukhov, A.; Nerush, E. N.; Kostyukov, I. Yu; Akli, K. U.; Shen, B. F. |
| 刊名 | eur. phys. j.-spec. top.
 |
| 出版日期 | 2014 |
| 卷号 | 223期号:6页码:1069 |
| 关键词 | ABSORPTION PULSES |
| 通讯作者 | ji, ll (reprint author), univ dusseldorf, inst theoret phys 1, d-40225 dusseldorf, germany. |
| 英文摘要 | interaction of laser plulses with intensities up to 10(25) w/cm(2) with overdense plasma targets is investigated via three-dimensional particle-in-cell simulations. at these intensities, radiation of electrons in the laser field becomes important. electrons transfer a significant fraction of their energy to gamma-photons and obtain strong feedbacks due to radiation reaction (rr) force. the rr effect on the distribution of laser energies among three main species: electrons, ions and photons is studied. the rr and electron-positron pair creation are implemented by a qed model. as the laser intensity inreases, the ratio of laser energy coupled to electrons drops while the one for gamma-photons reaches up to 35%. two distinctive plasma density regimes of the high-density carbon target and low-density solid hydrogen target are identified from the laser energy partitions and angular distributions of photons. the power-laws of absorption efficiency versus laser intensity and the transition of photon divergence are revealed. these show enhanced generation of gamma-photon beams with improved collimation in the relativistically transparent regime. a new effect of transverse trapping of electrons inside the laser field caused by the rr force is observed: electrons can be unexpectedly confined by the intense laser field when the rr force is comparable to the lorentz force. finally, the rr effect and different regions of photon emission in laser-foil interactions are clarified. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 版本 | 出版稿 |
| 源URL | [http://ir.siom.ac.cn/handle/181231/13092]  |
| 专题 | 上海光学精密机械研究所_强场激光物理国家重点实验室 |
| 作者单位 | 1.[Ji, L. L. 2.Pukhov, A.] Univ Dusseldorf, Inst Theoret Phys 1, D-40225 Dusseldorf, Germany 3.[Ji, L. L. 4.Shen, B. F.] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China 5.[Nerush, E. N. 6.Kostyukov, I. Yu] Russian Acad Sci, Inst |
| 推荐引用方式 GB/T 7714 | Ji, L. L.,Pukhov, A.,Nerush, E. N.,et al. Near QED regime of laser interaction with overdense plasmas[J]. eur. phys. j.-spec. top.,2014,223(6):1069. |
| APA | Ji, L. L.,Pukhov, A.,Nerush, E. N.,Kostyukov, I. Yu,Akli, K. U.,&Shen, B. F..(2014).Near QED regime of laser interaction with overdense plasmas.eur. phys. j.-spec. top.,223(6),1069. |
| MLA | Ji, L. L.,et al."Near QED regime of laser interaction with overdense plasmas".eur. phys. j.-spec. top. 223.6(2014):1069. |
入库方式： OAI收割
来源：上海光学精密机械研究所
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