Crossover from a spin-density wave to the quantum Néel ground state.
Crossover from a spin-density wave to the quantum Néel ground state.
复制标题
从自旋密度波到量子尼尔基态的交叉。
DOI：
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发表时间：
1994
期刊：
影响因子：
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通讯作者：
Jaime Ferrer
中科院分区：
文献类型：
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作者：
Jaime Ferrer
在半满Hubbard模型的弱耦合理论的背景下，考虑了自旋密度波到量子Neel基态的表征和演化。从这种弱耦合的方法在一个维度上获得的磁性能比较有利的准确结果Bethe anasterian（BA）。还研究了几种尺度从弱耦合到强耦合的演化。
The characterization and evolution of a Spin Density Wave into the Quantum Neel ground state is considered in the context of a weak coupling theory of the half-filled Hubbard model. Magnetic properties obtained from this weak coupling approach in one dimension compare favorably with exact results from Bethe ansatz (BA). A study of the evolution of several length scales from weak to strong coupling is also presented.