Quantum Geometry in the NbSe${}_2$ Family I: Obstructed Compact Wannier Function and New Perturbation Theory

Jiabin Yu, Yi Jiang, Yuanfeng Xu +8

We revisit the electronic structure and band topology of monolayer 1H-NbSe${}_2$, which hosts both superconductivity and charge density wave, and its related compounds 1H-MoS${}_2$, Nb…