PMID: 15244746Jul 13, 2004Paper

Optical-field-ionization effects on the propagation of an ultraintense laser pulse in high- Z gas jets

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
A G ZhidkovT Tajima

Abstract

Interaction of an ultraintense, a(0) >1, laser pulse with an underdense Ar plasma is analyzed via a two-dimensional particle-in-cell simulation which self-consistently includes optical-field ionization. In spite of rapid growth of ion charge Z and, hence, electron density at the laser front, relativistic self-focusing is shown to persist owing to a reduction of the expected plasma defocusing resulting from the weak radial dependence of the ion charge on laser intensity (even for Z/gamma>1 where gamma is the electron relativistic factor).

References

Jul 15, 1992·Physical Review. a·W P LeemansJ M Wallace
Oct 1, 1996·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·P SprangleJ Krall
Apr 24, 2002·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·A Zhidkov, A Sasaki
Nov 22, 2002·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·P SprangleB Hafizi
Jun 6, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·B HafiziD F Gordon
Oct 4, 2003·Physical Review Letters·Sergei V BulanovToshiki Tajima

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Citations

Feb 18, 2006·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Wim LeemansCsaba Tóth
Apr 7, 2010·Physical Review Letters·A ZhidkovS V Bulanov

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