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VOLUME 62 | ISSUE 11 | PAGE 860
Relativistic self-focusing in a plasma
The general properties of stationary waveguides formed in plasma by relativistic self-focusing of ultrapowerful laser pulses are investigated on the basis of a modified nonlinear Schrodinger equation. It is shown that the waveguides can transport arbitrary amounts of energy and that their characteristic size has a lower limit. The formation of the waveguides is studied. It is found that for ultrahigh laser power levels a qualitatively new regime of self-excited oscillations of the "vacuum channel" appears. © 1995 American Institute of Physics.

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