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2 edition of Plasma wave propagation in spatially inhomogeneous media: effects and potential exploitation found in the catalog.

Plasma wave propagation in spatially inhomogeneous media: effects and potential exploitation

T A. Harman

Plasma wave propagation in spatially inhomogeneous media: effects and potential exploitation

dissertation[presented forthe]M.Sc. Degree in Applied Solid State Physics.

by T A. Harman

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  • 21 Currently reading

Published by Brighton College of Technology, Department of Applied Physics in Brighton .
Written in English


Edition Notes

ContributionsBrighton College of Technology. Department of Applied Physics.
ID Numbers
Open LibraryOL13743593M

The dispersion formula of Cauchy integral type for longitudinal plasma waves in a magnetic field is exactly derived, in order to obtain a general instability criterion for magnetoplasma waves, on the basis of Vlasov's collision- free kinetic equation for arbitrary velocity distributions. The motion of . Optical Bloch Equations.

  Understanding the effect of THz/mm wave-plasma interaction on the brightness of glow discharge detectors. Millimetre Wave and Terahertz Sensors and Technology XII, H (18 October ); doi: / Development of the integration variable selection method in numerical simulation of electromagnetic wave propagation in the.   Aspects of wave propagation in excitable media in general and cardiac tissue in particular are introduced in section 4, that discusses also the influence of heterogeneities and geometry effects. Different types of dynamics are studied in sections 5? 7, namely alternans in one dimension, meandering and breakup in two dimensions and instability.

A theoretical study of the electromagnetic propagation in a complex medium suspended multilayer coplanar waveguide (CPW) is presented. The study is based on the generalized exponential matrix technique (GEMT) combined with Galerkin’s spectral method of moments applied to a CPW printed on a bianisotropic medium. The analytical formulation is based on a Full-GEMT, a method that avoids usual. The group velocity of a wave is the velocity with which the overall envelope shape of the wave's amplitudes—known as the modulation or envelope of the wave—propagates through space.. For example, if a stone is thrown into the middle of a very still pond, a circular pattern of waves with a quiescent center appears in the water, also known as a capillary wave.


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Plasma wave propagation in spatially inhomogeneous media: effects and potential exploitation by T A. Harman Download PDF EPUB FB2

PLASMA WAVE REFLECTION H SLOWLY VARYING MEDIA Now let us oonsider the propagation and reflection of plasma waves in a spatially inhomogeneous, but slowly varying, plasma. The propagation of dust-acoustic shock waves in an inhomogeneous collisional dusty plasma is studied, where the equilibrium plasma densities and dust charges are spatially nonuniform but the dust.

The frequency dependence of the reflection coefficient is studied for the case when a plane wave is incident upon an inhomogeneous slab representing the plasma wavetrain of a special type, which Author: Charles Kennel. T A. Harman has written: 'Plasma wave propagation in spatially inhomogeneous media: effects and potential exploitation'.

T A. Harman has written: 'Plasma wave propagation in spatially inhomogeneous media: effects and potential exploitation' What has the author Bernard D Seckler written. The scattering matrix method is an analytical method to solve electromagnetic waves propagation in the shown in Fig.

3, it divides the inhomogeneous plasma medium into plenty of layers, and each layer is considered as homogeneous the reflection coefficient and transmission coefficient of the entire plasma medium can be obtained by solving the field distribution.

This book contains review papers presented at the International Workshop on Wave Propagation, Scattering and Emission on Theory, Experiment, Simulation and Inversion (WPSE). The papers are of high quality, covering broad areas: a new mechanism of interaction of electromagnetic waves with complex media, remote sensing information, computational.

In the present investigation, linear and nonlinear propagation of low frequency (x Xci) electrostatic waves have been studied in a spatially inhomogeneous degenerate plasma with one dimensional. Full text of "Partial wave analysis of electromagnetic wave propagation in inhomogeneous media" See other formats UARI REPORT NO.

18 PARTIAL WAVE ANALYSIS OF ELECTROMAGNETIC WAVE PROPAGATION IN INHOMOGENEOUS MEDIA by F. Mitchell, Jr. Tischer (ACCESSION NUMBER)"?JLL_15_ (PAOES> UIAIIA UW OK JM'x OR AD NUMBER) " This research work was. This chapter discusses the essential results of recent theoretical investigations of wave propagation in randomly inhomogeneous media.

Differential equations derived in these investigations describe the behavior of the statistical moments of the wave field in a randomly inhomogeneous medium, and the apparatus of Feynman integrals has been used for the description of the moments of.

Nonlinear evolution and propagation characteristics of an ion-acoustic (IA) dipolar vortex are examined in a magnetoplasma that comprises partially degenerate electrons and dynamic ions.

The adiaba. The main objective of the proposed scientific research is to develop a comprehensive theoretical model of the propagation of large-scale planetary waves (with wavelengths km or longer) and associated nonlinear solitary vortical structures in the Earth’s ionosphere, with the spatially inhomogeneous forces described in Section I.

The frequency of reentry wave formation is studied as a function of the parameters of the inhomogeneity generation algorithm. Three main scenarios of reentry wave formation were found: unidirectional block, main wave-wavelet collision, and wave break up during collision, on a region in which a conduction velocity gradient occurs.

Alfvénic waves are oscillations that occur in a plasma threaded by a magnetic field and their propagation, reflection and dissipation is believed to be partly responsible for the solar wind. Here. The physics of wave dispersion in elastic media have spurred a large of number of research efforts over the past few decades.

1–5 1. Doyle, “ Wave propagation in structures,” Wave Propagation in Structures (Springer, ), pp. – 2. Consider the following unified equations in the low-frequency limit for 2 D wave propagation in the (x 1, x 3)-plane in inhomogeneous, lossless, anisotropic, non-reciprocal media α ∂ t P + (∂ r + γ r ∂ t) Q r = B.

T A. Harman has written: 'Plasma wave propagation in spatially inhomogeneous media: effects and potential exploitation' Asked in Botany or Plant Biology, Gardening What are the methods in plant.

§ 1. Introduction. Modulational instability (MI) represents a fundamental subject in the theory of nonlinear waves. This phenomenon was predicted by Benjamin and Feir [] for waves on deep water and by Bespalov and Talanov [] for electromagnetic waves in nonlinear media with cubic modulational instability phenomenon consists in the instability of nonlinear plane waves.

The propagation, both perpendicular and nearly perpendicular, of the ordinary and extraordinary mode in a cold, inhomogeneous, magnetized plasma slab containing runaway electrons is investigated.

The presence of runaways together with the density inhomogeneity is found to affect the ordinary mode significantly near the electron-cyclotron frequency. We study a general approach to solving conservation laws of the form q t +f(q,x) x =0, where the flux function f(q,x) has explicit spatial -volume methods are used in which the flux is discretized spatially, giving a function f i (q) over the ith grid cell and leading to a generalized Riemann problem between neighboring grid cells.

A high-resolution wave-propagation algorithm. For acoustic and elastic waves in linear-time-invariant heterogeneous media, the propagation of sound between two points is independent of the choice of .() Comment on “The effects of Bohm potential on ion-acoustic solitary waves interaction in a nonplanar quantum plasma” [Phys.

Plas ()]. Physics of Plasmas() Electrostatic soliton and double layer structures in unmagnetized degenerate pair plasmas.Spin waves (SW) at microwave frequencies propagating in thin magnetic films and magnetic-film-based structures proved to be one of the most suitable excitations for the investigation of nonlinear wave phenomena in various media (see, e.g., Refs.

[1,2] papers). Dispersion properties of SW as well as the value and the sign of their nonlinearity.