Relaxation Processes in Micromagnetics

Relaxation Processes in Micromagnetics
Author :
Publisher : OUP Oxford
Total Pages : 208
Release :
ISBN-10 : 9780191523670
ISBN-13 : 0191523674
Rating : 4/5 (674 Downloads)

Book Synopsis Relaxation Processes in Micromagnetics by : Harry Suhl

Download or read book Relaxation Processes in Micromagnetics written by Harry Suhl and published by OUP Oxford. This book was released on 2007-06-21 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.


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