In mathematics, the Zakharov system is a system of non-linear partial differential equations, introduced by Vladimir Zakharov in 1972 to describe the propagation of Langmuir waves in an ionized plasma. The system consists of a complex field u and a real field n satisfying the equations
\( i\partial _{t}^{{}}u+\nabla ^{2}u=un \)
\( \Box n=-\nabla ^{2}(|u|_{{}}^{2}) \)
See also
Resonant interaction; the Zakharov equation describes non-linear resonant interactions.
References
Zakharov, V. E. (1968). Stability of periodic waves of finite amplitude on the surface of a deep fluid. Journal of Applied Mechanics and Technical Physics, 9(2), 190-194.
Zakharov, V. E. (1972), "Collapse of Langmuir waves", Soviet Journal of Experimental and Theoretical Physics, 35: 908–914, Bibcode:1972JETP...35..908Z.
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