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Polarization of nonlinear magnetoacoustic waves in ferromagnets

โœ Scribed by G.T. Adamashvili


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
273 KB
Volume
158
Category
Article
ISSN
0375-9601

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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