Volume 11, Number 4 (Iranian Journal of Physics Research, Winter 2012)                   IJPR 2012, 11(4): 361-369 | Back to browse issues page


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Irani S, Hakimi Pajouh H, Esfandyari A. Consideration of self-focusing of a Gaussian laser pulse with weak relativistic approximation in a plasma. IJPR. 2012; 11 (4) :361-369
URL: http://ijpr.iut.ac.ir/article-1-891-en.html

Azarbaijan University of Tarbiat Moallem
Abstract:   (12954 Views)
In this study, we considered the self-focusing of a Gaussian laser pulse in an unmagnetized plasma. The equation of plasma density evolution that includes the electrons ponderomotive force is obtained. Then an equation for the width of laser pulse with a relativistic mass correction term is derived. This term is proportional to the electrons temperature. It is shown that in the large width limit we have an oscillatory solution, and for the small width limit this correction always helps the self-focusing of the laser pulse
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Type of Study: Research | Subject: general

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