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relativistic and plasma channel

Laser and Particle Beams (1)

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Relativistic and ponderomotive effects on evolution of laser beam in a non-uniform plasma channel
T.S. Gill, R. Mahajan, R. Kaur
Journal:

Laser and Particle Beams / Volume 28 / Issue 1 / March 2010

Published online by Cambridge University Press:

21 January 2010, pp. 11-20
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The nonlinear parabolic partial differential equation governing the evolution of the complex envelope in the slowly varying envelope approximation is solved using the variational approach. The basic nonlinear phenomena of relativistic and ponderomotive self-focusing in a plasma channel are taken into account. Self-focusing, self-phase modulation as well as self-trapping of laser beam is studied in a variety of situations. Further, in the absence of dissipation mechanisms, the stability of the beam is also studied.