Relaxation processes in micromagnetics
著者
書誌事項
Relaxation processes in micromagnetics
（The international series of monographs on physics, 133）
Oxford University Press, 2007
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注記
Includes bibliographical references and index
HTTP:URL=http://www.loc.gov/catdir/toc/ecip0714/2007013464.html Information=Table of contents only
内容説明・目次
内容説明
Electrons in solids behave like microscopic bar magnets, and in certain solids these align to produce macroscopic magnetizations. This book deals with the dynamics of this magnetization field. It addresses questions of microscopic mechanism only to the extent that residual interactions of the magnetic moments with other degrees of freedom of the host solid affect the dynamics, particularly the dissipative aspects. Several of these damping mechanisms are evaluated
here for their effect on the equations of the magnetization dynamics. This dynamics is intrinsically nonlinear. This is important in the applications, particularly magnetic recording, which involves very large motion of the magnetization, well beyond the validity of linearized (small motion)
approximations or limited extensions thereof. Therefore nonlinear solution methods are emphasized, but with only minimal use of numerical simulation. The book should be useful to practitioners of magnetic recording, and to physicists studying magnetic phenomena.
目次
- 1. The Classical Magnetization Field
- 2. Small Motions of the Magnetization
- 3. Intrinsic Damping
- 4. Fluctuations
- 5. Magnetization Reversal in a Very Dilute Array of Small Particles
- 6. Magnetization Reversal in Arrays of Particles and Continuous Media
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