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Propagation of an intense short laser pulse in nonuniform plasma

Published online by Cambridge University Press:  30 July 2001

H. ABBASI ,
H. HAKIMI PAJOUH ,
M.R. ROUHANI ,
N.L. TSINTSADZE  and
D.D. TSKHAKAYA
H. ABBASI
Affiliation:
Institute for Studies in Theoretical Physics and Mathematics, Tehran 19395-5531, Iran
H. HAKIMI PAJOUH
Affiliation:
Institute for Studies in Theoretical Physics and Mathematics, Tehran 19395-5531, Iran
M.R. ROUHANI
Affiliation:
Institute for Studies in Theoretical Physics and Mathematics, Tehran 19395-5531, Iran
N.L. TSINTSADZE
Affiliation:
Institute of Physics, Georgian Academy of Sciences, P.O. Box 380077, Tbilisi, Georgia
D.D. TSKHAKAYA
Affiliation:
Institute of Physics, Georgian Academy of Sciences, P.O. Box 380077, Tbilisi, Georgia
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Abstract

Propagation of an intense laser pulse in a cold electron-ion plasma is considered. Starting with the fully relativistic equations, for pancake-shaped pulses, a one-dimensional nonlinear Schrodinger equation is derived. It is shown, in quasi-stationary stage, both localized and cusp solution exist and relativistic effects cause solitons to move slower as their amplitude increases. These observations indicate particle-like behavior for localized solutions.

Type
Research Article
Information
Laser and Particle Beams , Volume 19 , Issue 1 , January 2001 , pp. 151 - 155
Copyright
© 2001 Cambridge University Press

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