The spin-1 anisotropic Heisenberg antiferromagnet on a square lattice at low temperatures

被引：27
|
作者：
Pires, A. S. T. [1 ]
机构：
[1] Univ Fed Minas Gerais, Dept Fis, ICEx, BR-30123970 Belo Horizonte, MG, Brazil
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2011年 / 323卷 / 15期
关键词：
Heisenberg model; Antiferrromagnet; Quantum phase transition; MODEL;
D O I：
10.1016/j.jmmm.2011.02.036
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper we study the low temperature behavior of the quantum S=1 Heisenberg antiferromagnet with exchange and single-site anisotropies on the square lattice. The properties of the model change drastically as the single-site anisotropy D varies from very small to very large values. A quantum phase transition takes place at a critical value D=D-C. We study the low D phase using a self-consistent harmonic approximation and a schematic phase diagram is proposed. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1977 / 1979
页数：3
相关论文
共 50 条
  • [41] Effect of spin-phonon coupling on the spin-1/2 antiferromagnet on a square lattice
    Su, XY
    Zheng, H
    PHYSICA B, 1999, 269 (3-4): : 324 - 328
  • [42] Influence of spin-phonon coupling on the spin-1/2 antiferromagnet on a square lattice
    Su, X
    Zheng, H
    SOLID STATE COMMUNICATIONS, 1999, 109 (05) : 323 - 328
  • [43] One dimensionalization in the spin-1 Heisenberg model on the anisotropic triangular lattice
    Gonzalez, M. G.
    Ghioldi, E. A.
    Gazza, C. J.
    Manuel, L. O.
    Trumper, A. E.
    PHYSICAL REVIEW B, 2017, 96 (17)
  • [44] Ground state of the spin-1/2 Heisenberg antiferromagnet on a two-dimensional square-hexagonal-dodecagonal lattice
    Tomczak, P
    Richter, J
    PHYSICAL REVIEW B, 1999, 59 (01): : 107 - 110
  • [45] Magnetic order in a spin-1/2 interpolating square-triangle Heisenberg antiferromagnet
    Bishop, R. F.
    Li, P. H. Y.
    Farnell, D. J. J.
    Campbell, C. E.
    PHYSICAL REVIEW B, 2009, 79 (17)
  • [46] HALDANE GAP IN THE SPIN-1/2 DOUBLE CHAIN ANISOTROPIC HEISENBERG-ANTIFERROMAGNET
    HIDA, K
    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1991, 60 (06) : 1939 - 1942
  • [47] Frustrated spin-1/2 Ising antiferromagnet on a square lattice in a transverse field
    Bobak, A.
    Jurcisinova, E.
    Jurcisin, M.
    Zukovic, M.
    PHYSICAL REVIEW E, 2018, 97 (02)
  • [48] Bond operator theory for the frustrated anisotropic Heisenberg antiferromagnet on a square lattice
    Pires, A. S. T.
    JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2012, 324 (13) : 2082 - 2085
  • [49] Spin Excitation Spectra of Anisotropic Spin-1/2 Triangular Lattice Heisenberg Antiferromagnets
    Chi, Runze
    Liu, Yang
    Wan, Yuan
    Liao, Hai-Jun
    Xiang, T.
    PHYSICAL REVIEW LETTERS, 2022, 129 (22)
  • [50] Numerical study of magnetization plateaus in the spin-1/2 Heisenberg antiferromagnet on the checkerboard lattice
    Capponi, Sylvain
    PHYSICAL REVIEW B, 2017, 95 (01)
12345