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Phys. Rev. Lett. 19, 219–222 (1967)

Plasma Wave Echo

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R. W. Gould
California Institute of Technology, Pasadena, California

T. M. O'Neil and J. H. Malmberg
General Atomic Division of General Dynamics Corporation, John Jay Hopkins Laboratory for Pure and Applied Sciences, San Diego, California

Received 29 May 1967; published in the issue dated 31 July 1967

It is shown that if a longitudinal wave is excited in a collision-free plasma and Landaudamps away, and a second wave is excited and also damps away, then a third wave (i.e., the echo) will spontaneously appear in the plasma.

© 1967 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.19.219
DOI:
10.1103/PhysRevLett.19.219
PACS: