Phys. Rev. Lett. 71, 1836–1839 (1993)Generation of space-charge waves due to localized perturbations in a space-charge dominated beamReceived 24 June 1993; published in the issue dated 20 September 1993 It has been found for the first time in experiments with an electron beam that space-charge waves can be generated not only in pairs. A single slow wave, a single fast wave, or combinations of the two waves with different amplitude and polarity relations have been produced experimentally in a space-charge dominated beam. Analytical solutions derived from one-dimensional fluid equations show the amplitude and polarity of each space-charge wave as a function of the initial perturbation parameters. The theory provides the correct interpretation of the experimental observations. © 1993 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.71.1836
DOI:
10.1103/PhysRevLett.71.1836
PACS:
29.27.Bd, 29.17.+w, 29.20.-c, 52.35.-g
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