Author: H. Yamato
Publisher:
ISBN:
Category :
Languages : en
Pages : 13

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Book Description

Author: Thomas H. Stix
Publisher: Springer Science & Business Media
ISBN: 9780883188590
Category : Science
Languages : en
Pages : 594

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Book Description
"Blurb & Contents" "The reader is treated to constantly refreshing and engaging commentary and opinion that always informs....As she depicts them, the problems of the universe are always fascinating and, most of all, they are alive and compelling." David DeVorkin, Sky & Telescope Virginia Trimble offers readers a fascinating and accessible tour of the stars. An astronomer with shared appointments in California and Maryland, the author ranges over a large portion of the universe as she discusses the search for life on other planets, how galaxies form, why stars explode and die, and the nature of the elusive dark matter in the universe. She also explains the astronomical significance of Cheeps' pyramid and leads the reader through scientific speculation about what and when the Star of Bethlehem might have been. Throughout, Trimble points to the exciting unanswered questions that still perplex the field and considers the formidable tasks to be faced by the next generation of young astronomers.

Author: D. G. Lominadze
Publisher: Elsevier
ISBN: 1483280780
Category : Science
Languages : en
Pages : 219

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Book Description
Cyclotron Waves in Plasma is a four-chapter text that covers the basic physical concepts of the theory of cyclotron waves and cyclotron instabilities, brought about by the existence of steady or alternating plasma currents flowing perpendicular to the magnetic field. This book considers first a wide range of questions associated with the linear theory of cyclotron oscillations in equilibrium plasmas and in electron plasmas in metals and semiconductors. The next chapter deals with the parametric excitation of electron cyclotron oscillations in plasma in an alternating electric field. A chapter focuses on plasma turbulence, which results from the development of cyclotron instabilities. The last chapter discusses pertinent experimental data concerning cyclotron waves in plasma. The book is intended for specialists in plasma physics and a number of related fields, including the physics of the ionosphere, solar wind and, metals, as well as for students and teachers who are specializing in these subjects.

Author: Donald H. McKay
Publisher:
ISBN:
Category :
Languages : en
Pages : 97

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Book Description
The thesis contains the results of some research on electromagnetic wave propagation in bounded plasmas. The first part of the work is on compressional magnetohydrodynamic waves whose frequencies are close to the plasma ion cyclotron frequency. The waves propagate along inhomogeneous plasma cylinders in which the densities vary with radius. The next part of the thesis is concerned with wave propagation of a more general type: it is assumed that motion of the medium may be represented by a dielectric matrix, but the matrix and the wave mode are not specified in detail. The cylindrical medium is homogeneous. Expressions describing the wave motion are derived, and some properties of the solutions are discussed. A computer program related to the solutions is obtained. The remainder of the thesis is on some types of electron waves. (Author).

Author: Volodymyr Girka
Publisher: Springer
ISBN: 3030171159
Category : Science
Languages : en
Pages : 198

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Book Description
This book is the first of its kind devoted to surface waves propagating across an external static magnetic field at harmonics of the electron cyclotron frequency. Based on comprehensive theoretical studies carried out over the course of about forty years, it presents unique material on various characteristics of these transverse waves, namely, dispersion properties and their dependence on numerous design peculiarities of plasma waveguides; damping due to interaction with the plasma surface (the kinetic channel) and collisions between plasma particles (the Ohmic channel); interaction with flows of charged particles moving above the plasma surface; parametric excitation due to the effect of an external radiofrequency field; and their power transfer for sustaining gas discharges. Clarifying numerous complicated mathematical issues it is a valuable resource for postgraduate students and experts in plasma physics, electromagnetic waves, and the kinetic theory of plasmas.

Author: Young-Dai Jung
Publisher:
ISBN:
Category :
Languages : en
Pages : 22

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Book Description

Author: Sudeep Bhattacharjee
Publisher: Taylor & Francis
ISBN: 1466557885
Category : Science
Languages : en
Pages : 394

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Book Description
Recent research has brought the application of microwaves from the classical fields of heating, communication, and generation of plasma discharges into the generation of compact plasmas that can be used for applications such as FIB and small plasma thrusters. However, these new applications bring with them a new set of challenges. With coverage ranging from the basics to new and emerging applications, Compact Plasma and Focused Ion Beams discusses how compact high-density microwave plasmas with dimensions smaller than the geometrical cutoff dimension can be generated and utilized for providing focused ion beams of various elements. Starting with the fundamentals of the cutoff problem for wave propagation in waveguides and plasma diagnostics, the author goes on to explain in detail the plasma production by microwaves in a compact geometry and narrow tubes. He then thoroughly discusses wave interaction with bounded plasmas and provides a deeper understanding of the physics. The book concludes with an up-to-date account of recent research on pulsed microwaves and the application of compact microwave plasmas for multi-element FIB. It provides a consolidated and unified description of the emerging areas in plasma science and technology utilizing wave-based plasma sources based on the author’s own work and experience. The book will be useful not only to established researchers in this area but will also serve as an excellent introduction to those interested in applying these ideas to various current and new applications.

Author: Donald H. McKay
Publisher:
ISBN:
Category :
Languages : en
Pages : 98

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Book Description
The first part of the report is on magnetohydrodynamic waves in inhomogeneous plasma cylinders. The second part gives some general properties and a computer program for propagation in homogeneous dissipative anisotropic cylinders. The remainder of the report discusses modes related to the low-frequency electron cyclotron waves (helicons) found in infinite gaseous plasmas. (Author).

Author: Barry Hulett Mauk
Publisher:
ISBN:
Category : Cyclotron waves
Languages : en
Pages : 328

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Book Description

Author: Ferdinand F. Cap
Publisher: Academic Press
ISBN: 148327098X
Category : Science
Languages : en
Pages : 575

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Book Description
Handbook on Plasma Instabilities, Volume 2 consists of four chapters on plasma instabilities. Chapter 14 discusses the various aspects of microinstabilities. Beam-plasma systems are covered in Chapter 15, while the various stabilization methods are presented in Chapter 16. This book concludes with deliberations on parametric effects in Chapter 17. Other topics discussed include the microinstabilities of a homogeneous unmagnetized plasma; kinetic theory of macroscopic instabilities; basic beam physics; and beam-plasma instabilities. The magnetic field configuration stabilization; macroscopic nonmagnetic stabilization methods; parametric instabilities in homogeneous unmagnetized plasmas; and parametric effects in bounded and inhomogeneous plasmas are also elaborated in this text. This publication is beneficial to students and researchers conducting work on unstable plasma.