dorsal/arxiv
View SchemaClassical and quantum kinetics of the Zakharov system
| Authors | M. Marklund |
|---|---|
| Categories | |
| ArXiv ID | physics/0507119 |
| URL | https://arxiv.org/abs/physics/0507119 |
| DOI | 10.1063/1.2012147 |
| Journal | Phys. Plasmas 12, 082110 (2005) |
Abstract
A kinetic theory for quantum Langmuir waves interacting nonlinearly with quantum ion-acoustic waves is derived. The formulation allows for a statistical analysis of the quantum correction to the Zakharov system. The influence of a background random phase on the modulational instability is given. In the coherent case, the effect of the quantum correction is to reduce the growth rate. Moreover, in the classical limit, a bifurcation develops in the dispersion curves due to the presence of partial coherence. However, the combined effect of partial coherence and a quantum correction may give rise to an increased modulational instability growth rate, as compared to the classical case. The results may be of significance in dense astrophysical plasmas and laboratory laser-plasma systems.
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"abstract": "A kinetic theory for quantum Langmuir waves interacting nonlinearly with\nquantum ion-acoustic waves is derived. The formulation allows for a statistical\nanalysis of the quantum correction to the Zakharov system. The influence of a\nbackground random phase on the modulational instability is given. In the\ncoherent case, the effect of the quantum correction is to reduce the growth\nrate. Moreover, in the classical limit, a bifurcation develops in the\ndispersion curves due to the presence of partial coherence. However, the\ncombined effect of partial coherence and a quantum correction may give rise to\nan increased modulational instability growth rate, as compared to the classical\ncase. The results may be of significance in dense astrophysical plasmas and\nlaboratory laser-plasma systems.",
"arxiv_id": "physics/0507119",
"authors": [
"M. Marklund"
],
"categories": [
"physics.plasm-ph"
],
"doi": "10.1063/1.2012147",
"journal_ref": "Phys. Plasmas 12, 082110 (2005)",
"title": "Classical and quantum kinetics of the Zakharov system",
"url": "https://arxiv.org/abs/physics/0507119"
},
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