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Growth of high-power laser ripple in plasma and its effect on plasma wave excitation: relativistic effects

Published online by Cambridge University Press:  19 January 2004

GUNJAN PUROHIT ,
H. D. PANDEY ,
SALEH T. MAHMOUD  and
R. P. SHARMA
GUNJAN PUROHIT
Affiliation:
Centre for Energy Studies, Indian Institute of Technology, New Delhi-110016, India (rpsharma@ces.iitd.ernet.in)
H. D. PANDEY
Affiliation:
Centre for Energy Studies, Indian Institute of Technology, New Delhi-110016, India (rpsharma@ces.iitd.ernet.in)
SALEH T. MAHMOUD
Affiliation:
Centre for Energy Studies, Indian Institute of Technology, New Delhi-110016, India (rpsharma@ces.iitd.ernet.in) Present Address: Physics Department, Faculty of Science, UAE University, P.O. Box 17551, Al-Ain, United Arab Emirates.
R. P. SHARMA
Affiliation:
Centre for Energy Studies, Indian Institute of Technology, New Delhi-110016, India (rpsharma@ces.iitd.ernet.in)
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Abstract

In the present investigation, the growth of a radially symmetric ripple, superimposed on a single intense laser beam in a collisionless unmagnetized plasma, taking into account the relativistic nonlinearity, is presented. The effect of the position and the width of the ripple on its growth have been studied in some detail. In addition to the growth of the ripple, the effect of the presence of the ripple on the excitation of plasma wave has also been studied.

Type
Papers
Information
Journal of Plasma Physics , Volume 70 , Issue 1 , February 2004 , pp. 25 - 40
Copyright
2004 Cambridge University Press

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