Modified Zakharov equations for plasmas with a quantum correction

Journal Article · Sat Jan 01 04:00:00 EST 2005 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.1819935· OSTI ID:20657946

Garcia, L G; Haas, F; Oliveira, L P.L. de; Goedert, J ^[1]

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1. Universidade do Vale do Rio dos Sinos-UNISINOS Avenida Unisinos, 950 93022-000 Sao Leopoldo RS (Brazil)

Quantum Zakharov equations are obtained to describe the nonlinear interaction between quantum Langmuir waves and quantum ion-acoustic waves. These quantum Zakharov equations are applied to two model cases, namely, the four-wave interaction and the decay instability. In the case of the four-wave instability, sufficiently large quantum effects tend to suppress the instability. For the decay instability, the quantum Zakharov equations lead to results similar to those of the classical decay instability except for quantum correction terms in the dispersion relations. Some considerations regarding the nonlinear aspects of the quantum Zakharov equations are also offered.

• OSTI ID: 20657946
• Journal Information: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 1 Vol. 12; ISSN PHPAEN; ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
DECAY INSTABILITY
DISPERSION RELATIONS
ION ACOUSTIC WAVES
NONLINEAR PROBLEMS
PARAMETRIC INSTABILITIES
PLASMA