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Structure of the interaction amplitudes of spin waves in ferromagnets

โœ Scribed by V. N. Krivoruchko; D. A. Yablonskii


Book ID
112469710
Publisher
SP MAIK Nauka/Interperiodica
Year
1980
Tongue
English
Weight
400 KB
Volume
45
Category
Article
ISSN
0040-5779

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Quantum effects of nonlinear spin waves
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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