NIFS-536

FULL TEXT (PDF, 330 KB)

Author(s):

Lj.R. Hadzievski, M.M. Skoric, M. Kono and T. Sato

Title:

Simulation of Weak and Strong Langmuir Collapse Regimes

Date of publication:

Jan. 1998

Key words:

plasma turbulence, solitons , wave collapse

Abstract:

In order to check the validity of the self-similar solutions and the existence of weak and strong collapse regimes, direct two dimensional simulation of the time evolution of a Langmuir soliton instability is performed. Simulation is based on the Zakharov model of strong Langmuir turbulence in a weakly magnetized plasma accounting for the full ion dynamics. For parameters considered, agreement with self-similar dynamics of the weak collapse type is found with no evidence of the strong Langmuir collapse.

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