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23 papers · 2 filters
Pairing correlation of the Kagome-lattice Hubbard model with the nearest-neighbor interaction
Chen Yang, Chao Chen, Runyu Ma +2
A recently discovered family of Kagome lattice materials, (= ), has attracted great interest, especially in the d…
Competition between -wave and +-wave superconductivity in the Hubbard model on a checkerboard lattice
Yue Pan, Runyu Ma, Chao Chen +2
By employing determinant quantum Monte Carlo simulations, we investigate a checkerboard lattice with next-nearest-neighbor hopping as the frustration-control parameter, which…
Infrared spectroscopy study of kagome material CsTiBi
Liye Cao, Xiangqi Liu, Jiayi Cheng +5
The kagome material CsTiBi, which is isostructural to the extensively studied charge density wave (CDW) compound CsVSb, exhibits intriguing electronic features with…
Universal Behavior in Entanglement Entropy Reveals Quantum Criticality and Underlying Symmetry Breaking
Zhe Wang, Zehui Deng, Zenan Liu +5
Entanglement plays a key role in quantum physics, but how much information it can extract from many-body systems is still an open question, particularly regarding quantum criticali…
Discovery of terahertz-frequency orbitally-coupled magnons in a kagome ferromagnet
Mengqian Che, Weizhao Chen, Maoyuan Wang +12
In ferromagnetic materials, magnons - quanta of spin waves - typically resonate in the gigahertz range. Beyond conventional magnons, while theoretical studies have predicted magnon…
A topological Hund nodal line antiferromagnet
Xian P. Yang, Yueh-Ting Yao, Pengyu Zheng +21
The interplay of topology, magnetism, and correlations gives rise to intriguing phases of matter. In this study, through state-of-the-art angle-resolved photoemission spectroscopy,…