Phys. Rev. Lett. 60, 1298–1301 (1988)Evolution of self-focusing of intense electromagnetic waves in plasmaReceived 17 April 1987; published in the issue dated 28 March 1988 The self-focusing of intense electromagnetic waves in a very underdense plasma is studied in computer simulations. Relativistic self-focusing occurs initially. This is followed by ‘‘ponderomotive blowout’’ and filamentation at the edge of the channel walls. The self-focusing is more intense for resonant double-frequency than for single-frequency illumination. © 1988 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.60.1298
DOI:
10.1103/PhysRevLett.60.1298
PACS:
52.65.+z, 52.25.-b, 52.60.+h
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