Reviews of topical problems

Nonlinear sawtooth-shaped waves

Lomonosov Moscow State University, Department of Physics, Vorobevy gory, Moscow, 119992, Russian Federation

This survey is devoted to experimental and theoretical results on interaction and self-action processes of strongly distorted waves containing shock fronts. Such sawtooth-shaped disturbances can be formed during the propagation of the wave through media where the nonlinearity predominates over competitive factors like dispersion, diffraction, and absorption. The specificity of nonlinear processes for sawtooth-shaped waves is particularly emphasised. The recently observed phenomena such as self-action of beams, self-refraction of shock pulses and saturation of the signal in focus, as well as current applied problems, are described.

Text can be downloaded in Russian. English translation is available on IOP Science.
PACS: 43.25.+y
DOI: 10.1070/PU1995v038n09ABEH000104
Citation: Rudenko O V "Nonlinear sawtooth-shaped waves" Phys. Usp. 38 965–989 (1995)
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Оригинал: Руденко О В «Нелинейные пилообразные волны» УФН 165 1011–1036 (1995); DOI: 10.3367/UFNr.0165.199509b.1011

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