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71 papers
Sublattice modulated superconductivity in the Kagome Hubbard model
Tilman Schwemmer, Hendrik Hohmann, Matteo Dürrnagel +8
We identify a superconducting order featuring spatial pair modulations on the kagome lattice subject to onsite Hubbard U and nearest neighbor V interactions. Within our functional…
Observation of room temperature excitons in an atomically thin topological insulator
Marcin Syperek, Raul Stühler, Armando Consiglio +10
Optical spectroscopy of ultimately thin materials has significantly enhanced our understanding of collective excitations in low-dimensional semiconductors. This is particularly ref…
Large-gap quantum anomalous Hall states induced by functionalizing buckled Bi-III monolayer/AlO
Suhua Jin, Yunyouyou Xia, Wujun Shi +5
Chiral edge modes inherent to the topological quantum anomalous Hall (QAH) effect are a pivotal topic of contemporary condensed matter research aiming at future quantum technology…
Electronic correlations and universal long-range scaling in kagome metals
Domenico Di Sante, Bongjae Kim, Werner Hanke +4
We investigate the real-space profile of effective Coulomb interactions in correlated kagome materials. By particularizing to KVSb, CoSnS, FeSn, and NiIn, w…
High-temperature quantum spin Hall states in buckled III-V-monolayer/SiO$_{2}
Yunyouyou Xia, Suhua Jin, Werner Hanke +2
After establishing the fundamental understanding and the high throughput topological characterization of nearly all inorganic three-dimensional materials, the general interest and…
Van Hove tuning of AV3Sb5 kagome metals under pressure and strain
Armando Consiglio, Tilman Schwemmer, Xianxin Wu +5
From first-principles calculations, we investigate the structural and electronic properties of the kagome metals AV3Sb5 (A = Cs, K, Rb) under isotropic and anisotropic pressure. Ch…