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Diffusion of spin waves in random ferromagnets

✍ Scribed by M. Crisan; L. Tataru


Book ID
113320281
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
316 KB
Volume
138
Category
Article
ISSN
0304-8853

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Quantum effects of nonlinear spin waves
✍ Ze Cheng πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 234 KB

We investigate a squeezed thermal spin state of nonlinear spin waves in Heisenberg ferromagnets. In this state, the magnon system possesses a new kind of quasiparticle, the dressed magnon, whose mass is a monotonically decreasing function of temperature. The noise of one spin component in the squeez