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島根大学文理学部紀要. 理学科編 Volume 10
published_at 1976-12-20
稀薄磁性系の理論
Theory of A Magnetically Dilute System
Umetani Ikumitsu
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We deal with a randomly dilute ferromagnet with the magnitude of spin 1/2 by using the Constant-Coupling Method, in new and reasonable consideration of the short range order of the nearest neighbors proposed in the previous paper. The result is that the critical concentration, x_c =2/z_2 (Ising); 4/z_2 (Heisenberg).
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