Nonpotential waves in magnetoactive plasma waveguides

Kondratenko, A. N.; Olefir, V. P.

doi:10.1007/bf01035084

Cited by 14 publications

(37 citation statements)

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“…Under the condition of zero normal component of the effective WM current density at the WM slab boundaries, j x (x = 0) = j x (x = a) = 0, the constitutive relations for the WM slab are the same as those for the unbounded WM, and the Fourier coefficients of the current densities j x and j z are obtained as [18] …”

Section: Discussionmentioning

confidence: 99%

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Guided modes in a spatially dispersive wire medium slab

et al. 2014

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We study the guided modes in the wire medium slab taking into account both the nonlocality and losses in the structure. We show that due to the fact that the wire medium is an extremeley spatially dispersive metamaterial, the effect of nonlocality plays a critical role since it results in coupling between the otherwise orthogonal guided modes. We observe both the effects of strong and weak coupling, depending on the level of losses in the system.

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Section: Discussionmentioning

confidence: 99%

“…For this, we continue the fields and current densities, defined in the wire medium at 0 ≤ x ≤ a, to the region −a ≤ x < 0 as [18] …”

Section: Appendix A: Fourier Methods Of Solution For Tm Modesmentioning

confidence: 99%

Guided modes in a spatially dispersive wire medium slab

et al. 2014

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“…[1,2,3,4,5,6] and references therein). In experimental practice one often deals with plasma structures bounded by metal surfaces.…”

Section: Introductionmentioning

confidence: 96%

“…The linear theory of surface waves (SWs) in structures with a magnetic field directed along the plasma -metal interface is developed full enough (see e.g. [4,5]) both in the Voigt geometry (the external magnetic field is parallel to the plasma interface and perpendicular to the wavevector) and in the Faraday geometry (the field is parallel both to the surface and to the wavevector).…”

Section: Introductionmentioning

confidence: 99%

“…Thus, SWs under consideration are important for such structures and can be undesirable under plasma processing of metal surfaces, because the presence of the SWs leads to a rise of an additional heat flux on the metal surface and to a lowering of the treatment efficiency as well as to a decrease of the plasma density near the metal due to the action of the ponderomotive force. In order to control of the SWs, their nonlinear attenuation [4,5] due to the wave interaction can be used. In this paper we pay attention to the control of the high-frequency SWs at the presence of a normal to the plasma -metal interface steady magnetic field by means of a low-frequency plasma density modulation.…”

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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On the Symmetrical Modes in a Cylindrical Nonisothermal Plasma Waveguide in a Finite External Magnetic Field

Nikolov

Yanovsky

1984

Contrib Plasma Phys

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A MHD, symmetrical, nonpotential waves in nonuniform, cylindrical nonisothermal plasma waveguide placed in a finite external magnetic field H,, directed along the axis of the waveguide are considered. The thermal velocity of the electrons = (kT,/m,)1/2 (k -Boltzman's constant, Td -temperature, ma -mass of the electron) is not neglected. As a consequence we obtain one more solution in the plasma region and respectively an equation of third power on ~2 -the transverse wave number. As far as we know only equations of second power on xp describing non-potential waxes are investigated. The dispersion equations are written solving the boundaryvalue problem. Our results coincide with well known ones when the electron thermal velocity tends to zero.

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Nonpotential waves in magnetoactive plasma waveguides

Cited by 14 publications

References 0 publications

Guided modes in a spatially dispersive wire medium slab

Guided modes in a spatially dispersive wire medium slab

Stability of surface waves at magnetized plasma – metal interface

On the Symmetrical Modes in a Cylindrical Nonisothermal Plasma Waveguide in a Finite External Magnetic Field

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