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- Title
One-Dimensional Spin-One Heisenberg Antiferromagnet with Single-Ion Anisotropy in a Magnetic Field: Schwinger Boson Theory.
- Authors
Su, Gang; Xing, Huaizhong; Xue, Desheng; Chen, Ziyu; Li, Fashen
- Abstract
The one-dimensional spin-one Heisenberg antiferromagnet with single-ion anisotropy in the presence of the applied magnetic field is explored in terms of the Schwinger boson mean-field theory. The temperature and anisotropy dependences of the specific heat, the susceptibility and the magnetization are thoroughly discussed. New features of the specific heat as a function of temperature as well as anisotropy are found. A transition from an antiferromagnetic phase to a spin-canting phase is observed, and meanwhile, a schematic phase diagram is proposed.
- Subjects
BOSONS; ANTIFERROMAGNETISM; ANISOTROPY
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2000, Vol 14, Issue 24, p2561
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979200002259