Explosion dynamics of heteroclusters in ultraintense femtosecond laser field

gao qiwen; li shaohui

Volume 22 Issue 12

Dec. 2010

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gu mu, ma xiao-hui, xu rong-kun, et al. Slow component suppression and γ radiation hardness of BaF2crystal modified by photonic band multilayer filter[J]. High Power Laser and Particle Beams, 2005, 17.

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gao qiwen, li shaohui. Explosion dynamics of heteroclusters in ultraintense femtosecond laser field[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

gao qiwen, li shaohui. Explosion dynamics of heteroclusters in ultraintense femtosecond laser field[J]. High Power Laser and Particle Beams, 2010, 22.

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Explosion dynamics of heteroclusters in ultraintense femtosecond laser field

1.
Department of Physics,Shantou University,Shantou 515063,China

Publish Date: 2010-12-07

Abstract

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.
- femtosecond laser,
- heterocluster,
- coulomb explosion,
- above-barrier ionization,
- deuterated methane

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