Spin Wave Theory and Green Function Theory of Ferromagnetic State of HCP Solid ^3He
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概要
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There are two sublattices A and B in hcp 'He in spite of the ferromagnetic state,because the hcp structure consists of two interpenetrating simple hexagonal Bravaislattices. We obtain the magnon excitation energy, and calculate<S.>, the specific heatand so on near T=0 by the spin wave theory. To extend the calculation for finite term-peratures not near T=O, the Green functions G.. and G.. are introduced. We derivea self consistent equation for<S.>, using the spectral theorem, and compute<S.>andthe Curie temperature T., using RPA.
- 社団法人日本物理学会の論文
- 1988-01-15
著者
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IWASAKI Tomio
Institute of Physics, University of Tsukuba
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SODA Toshio
Institute of Physics, University of Tsukuba
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Iwasaki T
Institute Of Physics University Of Tsukuba
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Iwasaki Tomio
Institute Of Physics University Of Tsukuba
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Soda Toshio
Institute Of Physics University Of Tsukuba
関連論文
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