An Introduction to Alfven Waves,

Buch | Hardcover

236 Seiten

1988
Institute of Physics Publishing (Verlag)
978-0-85274-245-7 (ISBN)

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Alfven waves permeate the universe. They have been observed in the Sun, in the magnetosphere, as low frequency fluctuations in the Earth's magnetic field, and they are easily generated in laboratory plasmas. Alfven waves serve as a useful diagnostic tool to probe plasma conditions in both space and laboratory plasmas. In the quest for nuclear fusion they have been used with spectacular success to heat tokamak plasmas to temperatures exceeding 50 million Kelvin. This book aims to provide an introduction to the physics of Alfven wave propagation for postgraduate physicists and astrophysicists who are entering research on laboratory or space plasmas. In the early chapters the basic properties of Alfven waves are derived for homogeneous plasmas, using the ideal magnetohydrodynamic fluid equations. The essential differences between torsional and compressional wave types are highlighted by an examination of phase and group velocity surfaces, and by a discussion of recent experimental results obtained with small, 'point-source', antennae. Later chapters deal with cylindrical plasmas, Alfven waves in a plasma with two or more ion species, effects of plasma current, resistive damping and inhomogeneous plasmas. There are also two chapters about numerical and experimental techniques, topics which are often neglected in other books.

Introduction. Experimental observations of Alfven Waves. Alfven surface waves. The propagation vector. Low frequency Alfven waves. Poynting and group velocity vectors. Phase and group velocity surfaces. Experimental observations of Alfven waves. Reflection and refraction of Alfven waves. Alfven surface waves. Alfven waves in a cylindrical plasma. Alfven waves near the ion cyclotron frequency. Alfven waves in a current carrying plasma. The dielectric tensor. Plasmas with two ion species. Inhomogeneous plasmas. Resistive damping. Simple numerical techniques. Experimental techniques. References. Index.

Erscheint lt. Verlag	1.11.1988
Verlagsort	London
Sprache	englisch
Gewicht	499 g
Themenwelt	Naturwissenschaften ► Physik / Astronomie ► Elektrodynamik
ISBN-10	0-85274-245-2 / 0852742452
ISBN-13	978-0-85274-245-7 / 9780852742457
Zustand	Neuware