Density matrix renormalization group algorithm and the two-dimensional t-J model

Density matrix renormalization group algorithm and the two-dimensional t-J model
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密度矩阵重整化群算法和二维t-J模型

DOI：
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发表时间：
2001
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通讯作者：
M. Gulácsi
M. Gulácsi
中科院分区：
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文献类型：
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作者：
Ian P. McCulloch;A. R. Bishop;M. Gulácsi

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本文详细介绍了最近提出的非阿贝尔密度矩阵重整化群（DMRG）算法在二维t-J模型中的应用。这种扩展的DMRG算法使我们能够保持相当于两倍的基础状态的常规DMRG算法相同量的计算工作量，这使得更深入地了解基态的性质。
Abstract We describe in detail the application of the recent non-Abelian density matrix renormalization group (DMRG) algorithm to the two-dimensional t-J model. This extension of the DMRG algorithm allows us to keep the equivalent of twice as many basis states as the conventional DMRG algorithm for the same amount of computational effort, which permits a deeper understanding of the nature of the ground state.