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On self-focusing of laser beams in plasma

  • A. M. Rubenchik (a1) and S. K. Turitsyn (a1)
  • DOI:
  • Published online: 01 March 2009

Self-focusing of laser beams in plasma is studied analytically using the thermal (collision produced) and ponderomotive (nonlinear force produced) effects based on the model of Zakharov with solutions of the nonlinear Schrödinger equation. A basic difference appears if the electric field amplitude E is less than the threshold Eth (at which the electrodynamic energy density is equal to the gasdynamic pressure) from the contrary case, E > Eth.The length of the filamentation process is evaluated and results in large values for E below Eth.

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H. Hora 1969 Z. Phys. 226, 156.

S. K. Turitsyn 1985 Teor. Math. Phys. 64, 2.

M. I. Weinstein 1983 Comm. Math. Phys. 87, 567.

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Laser and Particle Beams
  • ISSN: 0263-0346
  • EISSN: 1469-803X
  • URL: /core/journals/laser-and-particle-beams
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