Magnetization Process of Kagome-Lattice Heisenberg Antiferromagnet
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概要
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The magnetization process of the isotropic Heisenberg antiferromagnet on the kagome lattice is studied. Data obtained from the numerical-diagonalization method are reexamined from the viewpoint of the derivative of the magnetization with respect to the magnetic field. We find that the behavior of the derivative at approximately one-third of the height of the magnetization saturation is markedly different from that for the cases of typical magnetization plateaux. The magnetization process of the kagome-lattice antiferromagnet reveals a new phenomenon, which we call the “magnetization ramp”.
- 2010-05-15
著者
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Sakai Toru
Japan Atomic Energy Agency (jaea)
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Nakano Hiroki
Graduate School And Faculty Of Science Himeji Institute Of Technology
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