3 papers
cond-mat.mes-hall2025
Axial Hall Effect in Altermagnetic Lieb Lattices
Xilong Xu, Haonan Wang, Li Yang
We predict a so-called axial Hall effect, a Berry-curvature-driven anomalous Hall response, in Lieb-lattice altermagnets. By constructing a tight-binding model, we identify the axi…
cond-mat.mtrl-sci2025
Valley-Selective Linear Dichroism and Excitonic Effects in Lieb-Lattice Altermagnets
Haonan Wang, Xilong Xu, Du Li +1
Altermagnets have recently been recognized as a distinct class of magnetic materials characterized by alternative spin-split electronic structures without net magnetization. Despit…
cond-mat.mtrl-sci2025
Alter-Piezoresponse in Two-Dimensional Lieb-Lattice Altermagnets
Xilong Xu, Li Yang
Altermagnetism, featuring alternating spin structures in reciprocal space, has sparked growing interest. Here, we predict novel real-space alternative piezomagnetic and piezoelectr…