Spectrum of magnon excitations in amorphous ferromagnets (III)

✍ Scribed by Yu.P. Krasny; N.P. Kovalenko; V.V. Mikho; E.P. Gurnitskaya

• Publisher: Elsevier Science
• Year: 1993
• Tongue: English
• Weight: 264 KB
• Volume: 183
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/0921-4526(93)90064-d

✦ Synopsis

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.