Vacuum heating of large atomic clusters by a superintense femtosecond laser pulse
- Cite this article as:
- Getz, A.V. & Krainov, V.P. J. Exp. Theor. Phys. (2005) 101: 80. doi:10.1134/1.2010664
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The analytic approach of vacuum (Brunel) heating mechanism is generalized to the case of large atomic clusters irradiated by a superintense femtosecond laser pulse. The hydrodynamic cluster expansion is taken into account in this approach. Simple universal expressions are obtained for the absorbed laser energy by a cluster and for the radius of an expanding cluster. The absorption of laser energy and the cluster expansion are determined by only one dimensionless field parameter.