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Spin-waves in ferromagnetic double layers: effect of a lateral patterning

✍ Scribed by N. Sergeeva; S.-M. Chérif; A. Stachkevitch; M. Kostylev; Y. Roussigné


Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
131 KB
Volume
1
Category
Article
ISSN
1862-6351

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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