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cond-mat.mtrl-sci2026
Direct observation of quadruple spin-texture locking in a 2D d-wave altermagnet
Dan Mu, Bei Jiang, Qingchen Duan +14
Altermagnets combine vanishing net magnetization with nonrelativistic, momentum-dependent spin splitting, offering a new paradigm for spintronics. Spin-crystal symmetry coupling, n…
cond-mat.mtrl-sci2026
Heavy-Fermion Behavior and a Tunable Density Wave in a Novel Vanadium-based Mosaic Lattice
Yusen Xiao, Zhibin Qiu, Qingchen Duan +4
The pursuit of geometrically frustrated lattices beyond conventional paradigms remains a central challenge in the design of quantum materials. Herein, we report the discovery of Cs…
cond-mat.mtrl-sci2026
Observation of spin-valley locked nodal lines in a quasi-2D altermagnet
Quanxin Hu, Xingkai Cheng, Qingchen Duan +19
The interplay among quantum degrees of freedom-spin, orbital and momentum-has emerged as a fertile ground for realizing magnetic quantum states with transformative potential for el…