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85 papers · 2 filters
Decoding flat bands from compact localized states
Yuge Chen, Juntao Huang, Kun Jiang +1
The flat band system is an ideal quantum platform to investigate the kaleidoscope created by the electron-electron correlation effects. The central ingredient of realizing a flat b…
Breakdown of the scaling relation of anomalous Hall effect in Kondo lattice ferromagnet USbTe
Hasan Siddiquee, Christopher Broyles, Erica Kotta Shouzheng Liu +10
The interaction between strong correlation and Berry curvature is an open territory of in the field of quantum materials. Here we report large anomalous Hall conductivity in a Kond…
Fluctuation-induced first order phase transitions in Kitaev-like honeycomb magnet
Yuchen Fan, Yuan Wan
We study numerically a bosonic analog of the Kitaev honeycomb model, which is a minimal model for quantum magnets with honeycomb lattice geometry. We construct its phas…
Transient gap generation in BaFeAs driven by coherent lattice vibrations
Jacob A. Warshauer, Daniel Alejandro Bustamante Lopez, Qingxin Dong +2
The electronic structure and the magnetic properties of iron-based superconductors are highly sensitive to the pnictogen height. Coherent excitation of the phonon by femto…
Fermion disorder operator at Gross-Neveu and deconfined quantum criticalities
Zi Hong Liu, Weilun Jiang, Bin-Bin Chen +5
The fermion disorder operator has been shown to reveal the entanglement information in 1D Luttinger liquids and 2D free and interacting Fermi and non-Fermi liquids emerging at quan…
Correlation driven near-flat band Stoner excitations in a Kagome magnet
Abhishek Nag, Yiran Peng, Jiemin Li +9
Among condensed matter systems, Mott insulators exhibit diverse properties that emerge from electronic correlations. In itinerant metals, correlations are usually weak, but can als…