Collapsing-caviton turbulence in one dimension

Details Collapsing-caviton turbulence in one dimension Collapsing-caviton turbulence in one dimension

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phrvl..56..838r&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 56, Feb. 24, 1986, p. 838-841. DOE-Navy-supported research.

Physics

52

Cavitons, Electric Fields, Plasma Turbulence, Plasma Waves, Elementary Particle Interactions, Nonlinear Equations, Nucleation, Plasma Spectra

Scientific paper

A statistical theory of strong Langmuir turbulence based on self-similarly collapsing cavitons is tested in one spatial dimension by study of the solutions of a set of nonlinear equations which includes, as a special case, the Zakharov equations. Single-caviton solutions exhibiting predicted self-similar collapse are verified numerically for special initial conditions. Multiple-caviton systems are studied over many generations of collapse. Long-time-averaged spectra do not contain the power-law inertial regime predicted by the theory because of nucleation at small scales.

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