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Skyrmion Effect on the Relaxation of Spin Waves in a Quantum Hall Ferromagnet

โœ Scribed by Fukuoka, D.; Oto, K.; Muro, K.; Hirayama, Y.; Kumada, N.


Book ID
118137421
Publisher
The American Physical Society
Year
2010
Tongue
English
Weight
483 KB
Volume
105
Category
Article
ISSN
0031-9007

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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