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Type: Journal article
Title: Spin-wave relaxation in diluted magnetic semiconductors within the self-consistent Green's function approach
Author: Bunder, J.
Sun, S.
Lin, H.
Citation: Applied Physics Letters, 2006; 89(7):1-3
Publisher: Amer Inst Physics
Issue Date: 2006
ISSN: 0003-6951
Statement of
J. E. Bunder, Shih-Jye Sun, Hsiu-Hau Lin
Abstract: The authors employ a self-consistent Green's function approach to investigate the spin-wave relaxation Γ(p) in diluted magnetic semiconductors. They find that the trend of the spin-wave relaxation strongly depends on the ratio of the itinerant and impurity spin densities. For density ratios in the Ruderman-Kittel-Kasuya-Yosida phase, Γ(p) decreases even though thermal fluctuations increase. On the other hand, in the strong coupling phase, an interesting peak structure appears. They discuss the implications of their numerical results for experiments. © 2006 American Institute of Physics.
Keywords: semimagnetic semiconductors
Green's function methods
SCF calculations
spin waves
spin density waves
spin dynamics
RKKY interaction
Rights: © 2006 American Institute of Physics
DOI: 10.1063/1.2335666
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Mathematical Sciences publications

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