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Magnetization plateau in S=3/2 antiferromagnetic Heisenberg chain with anisotropy | | Toru Sakai
; Minoru Takahashi
; | | Date: |
30 Oct 1997 | | Journal: | Phys. Rev. B57 (1998) R3201 | | Subject: | Statistical Mechanics | cond-mat.stat-mech | | Abstract: | The magnetization process of the S=3/2 antiferromagnetic Heisenberg chain with the single-ion anisotropy D at T=0 is investigated by the exact diagonalization of finite clusters and finite-size scaling analyses. It is found that a magnetization plateau appears at m=1/2 for $D>D_c=0.93 pm 0.01$. The phase transition with respect to D at D_c is revealed to be the Kosterlitz-Thouless-type. The magnetization curve of the infinite system is also presented for some values of D. | | Source: | arXiv, cond-mat/9710327 | | Services: | Forum | Review | PDF | Favorites | |
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