飞秒强激光场中异核团簇的爆炸动力学
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高启文, 李邵辉. 飞秒强激光场中异核团簇的爆炸动力学[J]. 强激光与粒子束, 2010, 22(12).
引用本文:
高启文, 李邵辉. 飞秒强激光场中异核团簇的爆炸动力学[J]. 强激光与粒子束, 2010, 22(12).
gao qiwen, li shaohui. Explosion dynamics of heteroclusters in ultraintense femtosecond laser field[J]. High Power Laser and Particle Beams, 2010, 22.
Citation:
gao qiwen, li shaohui. Explosion dynamics of heteroclusters in ultraintense femtosecond laser field[J]. High Power Laser and Particle Beams, 2010, 22.
高启文, 李邵辉. 飞秒强激光场中异核团簇的爆炸动力学[J]. 强激光与粒子束, 2010, 22(12).
引用本文:
高启文, 李邵辉. 飞秒强激光场中异核团簇的爆炸动力学[J]. 强激光与粒子束, 2010, 22(12).
gao qiwen, li shaohui. Explosion dynamics of heteroclusters in ultraintense femtosecond laser field[J]. High Power Laser and Particle Beams, 2010, 22.
Citation:
gao qiwen, li shaohui. Explosion dynamics of heteroclusters in ultraintense femtosecond laser field[J]. High Power Laser and Particle Beams, 2010, 22.
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飞秒强激光场中异核团簇的爆炸动力学
高启文,
李邵辉
1.
汕头大学 物理系, 广东 汕头 51 5063
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刊出日期:
2010-12-07
Explosion dynamics of heteroclusters in ultraintense femtosecond laser field
gao qiwen,
li shaohui
1.
Department of Physics,Shantou University,Shantou 515063,China
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摘要
摘要:
利用Bathe过势垒模型,对飞秒强激光场中异核分子团簇((CH4)n,(CD4)n,(D2O)n)的爆炸动力学过程进行了理论研究。结果表明:异核团簇爆炸后产生的离子能量与团簇初始半径的平方呈线性关系,爆炸机理为典型的库仑爆炸。研究发现,异核分子团簇发生库仑爆炸后的氘离子能量高于飞秒强激光和单核的(D)>)n团簇相互作用后产生的氘离子能量,显示异核团簇中高Z元素电离后产生的高价离子对低Z元素离子有很强的加速作用。
关键词:
飞秒激光 /
异核团簇 /
库仑爆炸 /
过势垒电离 /
氘代甲烷
Abstract:
The explosion dynamics process of heteroclusters ((CH4)n,(CD4)n,(D2O)>)n) in ultraintense femtosecond laser fields has been studied theoretically using Bethe model. It is found that the average energy of hydrogen ions and deuterium ions after explosion has a linear relationship with the square of initial cluster radius, and the explosion mechanism is typical Coulomb explosion. Furthermore, the deuterium ions from the heteroclusters have higher energy than those from the homonuclear clusters ((D)>)n), indicating that highly ionized ions of high Z element have a strong acceleration effect on the ions of low Z element.
Key words:
femtosecond laser /
heterocluster /
coulomb explosion /
above-barrier ionization /
deuterated methane
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计量
文章访问数:
2080
HTML全文浏览量:
265
PDF下载量:
507
被引次数: 0
出版历程
刊出日期:
2010-12-07
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