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Hidden excitations in amorphous ferromagnets

✍ Scribed by Rivier, N.; Continentino, M.A.


Book ID
122554509
Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
143 KB
Volume
15-18
Category
Article
ISSN
0304-8853

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Spectrum of magnon excitations in amorph
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The spectrum of magnetic excitations in amorphous ferromagnets is studied with the Green function method. Dispersion laws of spin waves and the temperature dependence of spin-wave hardness are calculated. It is shown that the dispersion law has a minimum at large wave numbers.