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Discovery of unconventional chiral charge order in kagome superconductor KV3Sb5
Yu-Xiao Jiang, Jia-Xin Yin, M. Michael Denner +23
Intertwining quantum order and nontrivial topology is at the frontier of condensed matter physics. A charge density wave (CDW) like order with orbital currents has been proposed as…
Construction of low-energy symmetric Hamiltonians and Hubbard parameters for twisted multilayer systems using ab-initio input
Arkadiy Davydov, Kenny Choo, Mark H. Fischer +1
A computationally efficient workflow for obtaining the low-energy symmetric tight-binding Hamiltonians for twisted multilayer systems is presented in this work. We apply this schem…
IrRep: symmetry eigenvalues and irreducible representations of ab initio band structures
Mikel Iraola, Juan L. Mañes, Barry Bradlyn +3
We present IrRep - a Python code that calculates the symmetry eigenvalues of electronic Bloch states in crystalline solids and the irreducible representations under which they tran…
Multicellularity of delicate topological insulators
Aleksandra Nelson, Titus Neupert, Tomáš Bzdušek +1
Being Wannierizable is not the end of the story for topological insulators. We introduce a family of topological insulators that would be considered trivial in the paradigm set by…
Learning-based Defect Recognition for Quasi-Periodic Microscope Images
Nik Dennler, Antonio Foncubierta-Rodriguez, Titus Neupert +1
Controlling crystalline material defects is crucial, as they affect properties of the material that may be detrimental or beneficial for the final performance of a device. Defect a…
Theory for the negative longitudinal magnetoresistance in the quantum limit of Kramers Weyl semimetals
Bo Wan, Frank Schindler, Ke Wang +4
Negative magnetoresistance is rare in non-magnetic materials. Recently, a negative magnetoresistance has been observed in the quantum limit of -AgSe, where only one band of…