Effect of Cluster Coulomb Fields on Electron Acceleration in Laser--Cluster Interaction
CANG Yu1,2 , DONG Quan-Li1 , WU Hui-Chun1,2 , SHENG Zheng-Ming1 , YU Wei2 , ZHANG Jie1
1 Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
Effect of Cluster Coulomb Fields on Electron Acceleration in Laser--Cluster Interaction
CANG Yu1,2 ;DONG Quan-Li1 ;WU Hui-Chun1,2 ;SHENG Zheng-Ming1 ;YU Wei2 ;ZHANG Jie1
1 Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080
2 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
关键词 ：
36.40.Gk ,
52.50.Jm
Abstract ： Single particle simulations are used to investigate electron acceleration in the laser--cluster interaction, taking into account the Coulomb fields around individual clusters. These Coulomb fields are induced from the cluster cores with positive charge when electrons escape from the cluster cores through ponderomotive push from the laser field. These Coulomb fields enable some stripped electrons to be stochastically in phases with the laser fields so that they can gain net energy from the laser efficiently. In this heating mechanism, circularly polarized lasers, larger cluster size and higher cluster densities make the acceleration more efficient.
Key words ：
36.40.Gk
52.50.Jm
出版日期: 2004-12-01
:
36.40.Gk
(Plasma and collective effects in clusters)
52.50.Jm
(Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))
引用本文:
CANG Yu;DONG Quan-Li;WU Hui-Chun;SHENG Zheng-Ming;YU Wei;ZHANG Jie. Effect of Cluster Coulomb Fields on Electron Acceleration in Laser--Cluster Interaction[J]. 中国物理快报, 2004, 21(12): 2414-2417.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I12/2414
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