Numerical Diagonalization of Quantum Spin Hamiltonians

Numerical Diagonalization of Quantum Spin Hamiltonians
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量子自旋哈密顿量的数值对角化

DOI:
10.1143/ptps.87.247
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发表时间:
1986
期刊:
影响因子:
--
通讯作者:
Y
Y
中科院分区:
--
文献类型:
--
作者:
H. Nishimori;Y

文献摘要

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相似文献

我们解释了计算有限大小自旋1/2各向异性海森堡模型低位本征态的数值方法。稀疏矩阵技术和自旋组态的位表示在编写独立于特定晶格结构的程序时非常有用。文中给出了几个应用实例,验证了该方法的有效性。
We explain numerical methods to calculate low-lying eigenstates of the finite-size spin-1/2 anisotropic Heisenberg model. Sparse matrix techniques and a bit representation of spin configurations are shown to be quite useful in writing a program independent of specific lattice structure. A few examples of application are presented to demonstrate the effectiveness of our method.