3 papers
cond-mat.mes-hall2025
Flux Response of Rotation-Invariant Topological Insulators
Yechen Xun, Rui-Xing Zhang
Threading magnetic flux into topological phases can induce bound states that reveal intrinsic properties of the ground state. In a 3D topological insulator, a quanti…
cond-mat.mtrl-sci2024
One-dimensional Multiferroic Semiconductor WOI3: Unconventional Anisotropic d^1 Rule and Bulk Photovoltaic Effect
Zhihao Gong, Yechen Xun, Zhuang Qian +3
The pursuit of multiferroic magnetoelectrics, combining simultaneous ferroelectric and magnetic orders, remains a central focus in condensed matter physics. Here we report the cent…
cond-mat.mtrl-sci2023
Unraveling the unusually high electrical conductivity of the delafossite metal PdCoO
Xiaoping Yao, Yechen Xun, Ziye Zhu +2
The prototypical delafossite metal PdCoO has been the subject of intense interest for hosting exotic transport properties. Using first-principles transport calculations and the…