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40 papers · 1 filter
Role of interstitial orbital in a model of infinite-layer nickelates
Yan Peng, Rui Peng, Mi Jiang
Motivated by recent angle-resolved photoemission spectroscopy (ARPES) experiments on infinite-layer (IL) nickelates, we employ determinant quantum Monte Carlo (DQMC) to study the t…
Interfacial Strain Modulated Correlated Plasmons in La1.85Sr0.15CuO4 and Their Role in High-temperature Superconductivity
Xiongfang Liu, Shengwei Zeng, Xun Liu +9
High-temperature superconductivity in cuprate materials remains a major challenge in physics due to the complexity of their strongly correlated electronic states. Interfacial strai…
Inversion symmetry breaking in bilayer multi-orbital Hubbard model with impurity approximation
Chenye Qin, Mi Jiang
We investigated the Cu/Ni-O bilayer multi-orbital Hubbard model with Cu/Ni impurity approximation embedded in the O lattice by incorporating the 3d multiplet structure co…
Stabilization of singlet hole-doped state in infinite-layer nickelate superconductors
Mi Jiang, Mona Berciu, George A. Sawatzky
Motivated by the recent X-ray absorption spectroscopy (XAS) and resonant inelastic X-ray scattering (RIXS) experiments, we use a detailed impurity model to explore the nature of th…
Magnon corner states in twisted bilayer honeycomb magnets
Chun-Bo Hua, Feiping Xiao, Zheng-Rong Liu +6
Search for higher-order topological insulators, characterized by topologically protected gapless boundary states of codimension higher than one, in bosonic systems has attracted gr…
Phase diagram of the Shastry-Sutherland Compound SrCu2(BO3)2 under extreme combined conditions of field and pressure
Zhenzhong Shi, Sachith Dissanayake, Philippe Corboz +7
Motivated by the intriguing properties of the Shastry-Sutherland compound SrCu2(BO3)2 under pressure, with a still debated intermediate plaquette phase appearing at around 20 kbar…