$η$-pairing state in a flatband lattice: Effect of interband coupling on logarithmic scaling of entanglement entropy
89相关性 / 100
Relevance
论文直接研究平带多带Hubbard模型中η-pairing态的纠缠熵对数标度，属于多体纠缠结构和纠缠诊断的核心主题。
该条目只有相关性判断，尚未生成结构化深度摘要。
展开原始摘要
Author(s): Seik Pak, Hanbyul Kim, Chan Bin Bark, Sang-Jin Sin, Jae-yoon Choi, and Moon Jip Park The $η$-pairing states are the exact eigenstates of the hypercubic Hubbard model, which exhibit an anomalous logarithmic scaling of entanglement entropy. It has been shown that $η$-pairing states are still exact eigenstates even in multiband systems, provided interband coupling is negligible on the … [Phys. Rev. B 114, 105108] Published Thu Aug 06, 2026