In this paper, the Parameter dependant formulation of the Bogoliubov transformation is used to diagonalize Hamiltonian of Heisenberg antiferromagnet two sublattice modle, and to derive the spin dependant unitary operator performing this transformation and the exact eigenstates.

1、

In this thesis, the mechanism of EB has been explored based on a competition between rotational and pinned spins in the antiferromagnet. It is found that available models of EB could be regarded as some sort of nucleation mode.

本论文探讨了基于反铁磁体中转动自旋和钉扎自旋相互竞争的交换偏置（EB）模型，发现可能的EB模型实际上都可以归为某种成核模型。

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For clusters of 13 nd 25 sites with the special shape, the numerical results show that their GS are respectively 6-fold and 8-fold degeneracy ( while the GS of macroscopic antiferromagnet is singlet).

通过计算含有13个格点和25个格点的双组分海森堡反铁磁团簇，结果表明它们的基态分别是6重和8重态（而宏观反铁磁系统的基态是单态）。

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With the help of the theory of electromagnetic field and the torque equations of antiferromagnet, the relation between energy density and frequeney has been studied, and the strength functions of bulk polariton in the voigt configuration are presented.

本文用电磁场理论和反铁磁体的转矩方程组研究了这两部分能量的能量密度与频率的关系，并给出在Voigt位形下体磁极化液元的强度函数。

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The methods and conclusions adopted here are also valid for other exchange-spring multilayers. Exchange-bias ( EB) of ferromagnet/ antiferromagnet systems is another hot topic in magnetism.

上述计算和结论也适用于其它物质的交换弹簧磁性多层膜。铁磁/反铁磁体系的交换偏置是磁学领域的另一个热门课题。

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Using the Resonant Valence Bond ( RVB) concept and the Schwinger-Boson Mean Field approximation, this paper investigates a two dimensional ( square lattice) anisotropic Heisenberg antiferromagnet.

运用共振价键概念和Schwinger-Boson平均场近似，研究了二维正方格子上的各向异性Heisenberg反铁磁性。

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This paper proves the equivalence between the one-dimensional Heisenberg antiferromagnet model in the semiclassical limit of large-but-finit S and O ( 3) nonlinear sigma model.

本文证明了一维海森堡反铁磁体自旋链模型在半径典极限下具有大而有限S时与O（3）非线性σ模型相等。

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Theoretical investigations for the mixed-spin antiferromagnet L_2BaNiO_5 with the long-range-order

有长程序的混合自旋反铁磁材料L2BaNiO5的理论研究

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Solitary energy in antiferromagnet KCuF_3

反铁磁体KCuF3中的孤立子能量

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Nonlinear Problems in Antiferromagnet KCuF_3

反铁磁体KCuF3中的非线性问题

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Perpendicular and longitudinal exchange biasing inferromagnet/ antiferromagnet multilayers

铁磁/反铁磁多层膜中纵向和垂直交换偏置

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Therefore, The author get some qualities of Heisenberg antiferromagnet, and predict the dynamic mass generation by the Neel magnon.

由这相等性，得出了海森堡反铁磁体所具有的性质，预言了Neel磁振子动力学质量生成。

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Fermion-spin approach to study a doped antiferromagnet

应用fermion-spin理论研究掺杂的反铁磁系统

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On the basis of standard spin-wave theory, the magnetic dispersion relations for a two-dimensional Heisenberg antiferromagnet are investigated.

利用标准的自旋波理论，研究了二维三角海森堡反铁磁体的色散关系。

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Structure factor of the randomly diluted triangular-lattice antiferromagnet with single-ion anisotropy in an external field

存在外场时无规稀磁离子异性反铁磁体的结构因子

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Effect of Spin Phonon Coupling on Spin 1/ 2 Heisenberg Antiferromagnet on a Square Lattice

自旋-声子耦合对正方晶格自旋-1/2反铁磁体的影响

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The research for the equivalence between the one-dimension Heisenberg antiferromagnet model and o ( 3) nonlinear sigma model

一维海森堡反铁磁体模型与O（3）非线性σ模型的相等性的研究

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Quantum phase transition in a bilayer Heisenberg antiferromagnet

双层Heisenberg反铁磁体中的量子相变

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Investigation on the Magnetic Structure and Magneto-electric Properties of the Triangular Antiferromagnet AgCrO_2

三角反铁磁AgCrO2磁结构和磁电性质研究

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Thermodynamic properties of interlayer ─ couple frustrated antiferromagnet

具有层间耦合反铁磁阻挫系统的热力学性质

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The influence of the cooling field on the exchange bias in ferromagnet/ antiferromagnet bilayers system

铁磁/反铁磁双层膜中冷却场对交换偏置场的影响

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