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251 papers · 1 filter
Twinning of domains and spin anisotropy in KFeAgTe
Jiayu Guo, Hengyang Zhong, Dongsheng Yuan +12
The Fe-based superconductors are derived from metallic parent compounds with nematic and stripe magnetic orders, which lead to two types of magnetic domains. Recently it was found…
Tuning superconducting pairing symmetry via a staggered potential in the doped honeycomb Hubbard model
Yanmei Cai, Yicheng Xiong, Ying Liang +1
The ability to control superconducting pairing symmetry is crucial for designing unconventional and topological superconductors, yet practical tuning parameters beyond chemical dop…
Quantum criticality and factorization in a constrained Rydberg spin chain
Yuan Jiang, Wen-Long You, Liangsheng Li +1
We investigate the zero-temperature phase diagram of a one-dimensional constrained quantum spin chain realized in coherently driven Rydberg-atom arrays with competing local Rabi dr…
Enhanced Anomalous Nernst Effect in the Ferromagnetic Kondo Lattice CeCo2As2
Shuyue Guan, Weian Guo, Pengyu Zheng +9
The anomalous Nernst effect (ANE), generating a voltage perpendicular to a temperature gradient due to magnetization, is closely linked to the Berry curvature (BC) near the Fermi e…
Magnetic fluctuations near the Van Hove singularity in the kagome-lattice Hubbard model at finite doping
Jingyao Wang, Zixuan Jia, Zenghui Fan +2
The kagome-lattice Hubbard model attracts widespread interest due to its flat-band and Van Hove singularity features, which can give rise to unconventional magnetism. We employ det…
Precompression engineering of metal-insulator transition and magnetism in designed breathing kagome systems
Qingzhuo Duan, Hongdao Zhuge, Ying Liang +1
Kagome materials featuring dispersive Dirac cones and topological flat bands exhibit unique electronic and magnetic properties. However, kagome compounds with tunable electrical co…