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Relaxation in magnetic continua : 38th Annual Confrerence on Magnetism and Magnetic Materials (1994)

Sobolev, V. L. ; Klik, I. ; Chang, C. R. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 75 (1994), S. 5794-5796

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Within a recently developed axiomatic formalism for construction of stochastic field equations of motion a new form of the equation for damped dynamics of magnetization in ferromagnets is proposed. It takes into account spatially inhomogeneous dissipation due to exchange interactions and replaces the customary dissipation constant (due to relativistic effects) by a dissipation operator. This operator is constructed here by comparison of the resultant phenomenological spin wave spectra with results of microscopic calculations. Dynamic description of relaxation of the modulus of magnetization is discussed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.355565

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