Thermal nonlinearity of potential surface waves at a plasma-metal interface

Azarenkov, N. A.; Akimov, Yuriy; Olefir, V. P.

doi:10.1134/1.1633624

Cited by 4 publications

(6 citation statements)

References 9 publications

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“…To note, the comparison of conditions (17) and (18) shows that within the framework of our consideration the instability and the HF SW attenuation are possible, in contrast to the case ω 2 2 << ω 2 ci , ω 2 pi [18]. One can see from (17), the amplitude threshold |A 10 | th , at excess of which the SW instability takes place, grows with an increase of the electron temperature and plasma density, and with a decrease of the LF plasma density frequency:…”

Section: Sw Instability Criterionmentioning

confidence: 97%

“…One can see from (17), the amplitude threshold |A 10 | th , at excess of which the SW instability takes place, grows with an increase of the electron temperature and plasma density, and with a decrease of the LF plasma density frequency:…”

Section: Sw Instability Criterionmentioning

confidence: 98%

“…The linear theory of these waves is developed in [8,9], some nonlinear effects caused by the self-interaction are investigated, for example, in [10,11]. Paper [17] is devoted to the parametric excitation of the considered SWs. The main feature of these waves is that they can be effectively excited by electric field of the Langmuir wave due to the decay instability.…”

Section: Introductionmentioning

confidence: 99%

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Stability of surface waves at magnetized plasma – metal interface

Akimov

Azarenkov

Olefir³

2003

Contrib. Plasma Phys.

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The stability of high-frequency potential surface waves at a dense magnetized plasma -metal interface with respect to a low-frequency plasma density modulation is studied in the point of view of the surface waves control. The discussion is addressed to the situation, when an external steady magnetic field is directed perpendicularly to the interface. The nonlinear interaction process of the high-frequency surface wave, its satellites and the low-frequency plasma density perturbation is investigated. It is shown that the low-frequency plasma density perturbation can be represented as a superposition of forced waves of surface and volume types and can lead to an additional attenuation of the surface waves. This attenuation arises when the surface wave amplitude exceeds the threshold value.

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Section: Sw Instability Criterionmentioning

confidence: 97%

Section: Sw Instability Criterionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Stability of surface waves at magnetized plasma – metal interface

Akimov

Azarenkov

Olefir³

2003

Contrib. Plasma Phys.

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“…That is two waves can exist at one frequency. One of them propagates in positive direction of the y axis with the wavenumber kð!Þ; while the other propagates in opposite direction with the wavenumber Àkð!Þ: Thus, it is possible to excite this kind of waves parametrically by means of an electric field at second harmonic of the excited waves [24].…”

Section: Dispersion Relation For the Surface Wavesmentioning

confidence: 99%

Surface Waves at a Dusty Plasma-Metal Interface

Akimov¹,

Azarenko²,

Olefir³

2004

Phys. Scr.

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The theory of electrostatic surface wave propagation along the plain interface between a low-temperature nonisothermal dusty plasma and a metal wall is presented. The discussion is addressed to the situation, when the plasma contains massive negatively charged impurity or dust particles and is immersed in an external steady magnetic field, which is directed perpendicularly to the plasma-metal interface. It is found that charged dust grains can significantly affect the propagation and damping of the high-frequency surface waves and can lead under certain conditions to low-frequency surface waves.

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“…So, the linear theory of potential SWs at a plane warm plasma-metal boundary in such magnetic field configuration has been considered in [10,11], some nonlinear mechanisms of the self-interaction of these SWs at a dense plasma have been investigated, for example, in [18,19]. In paper [20], devoted to the parametric excitation of the SWs, it has been shown that these waves can be effectively excited with a spatially uniform, alternating electric field at the second harmonic of the excited waves. This fact motivates the interest in these waves, because in such configuration the Langmuir wave can be a source of their parametric excitation.…”

Section: Introductionmentioning

confidence: 99%

Surface Wave Control under Plasma–Metal Processing

Akimov

Olefir

2004

Phys. Scr.

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The nonlinear interaction of high-frequency potential surface waves at a dense magnetized plasma-metal interface with a low-frequency plasma density modulation is considered in the point of view of the surface waves control. An external steady magnetic field is directed perpendicularly to the interface. The influence of external magnetic field strength and plasma parameters on temporal dynamics of the waves is studied.

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Thermal nonlinearity of potential surface waves at a plasma-metal interface

Cited by 4 publications

References 9 publications

Stability of surface waves at magnetized plasma – metal interface

Stability of surface waves at magnetized plasma – metal interface

Surface Waves at a Dusty Plasma-Metal Interface

Surface Wave Control under Plasma–Metal Processing

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