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cond-mat.mes-hall2026★ 1 cited

Dynamical transition in non-Hermitian Chern insulator

Zhi-Qiang Zhang, Yuan-Hang Ren, Ming Lu +1

We unveil a peculiar dynamical transition for the propagation of wave packets in non-Hermitian Chern insulators, where the evolution of the topological wave packets at the edge is…

cond-mat.mes-hall2026

Non-Hermitian Topology from Edge Transport in Hermitian Quantum Anomalous Hall Systems

Humian Zhou, Ming Lu, Chui-Zhen Chen +1

Non-Hermitian physics, known for exotic phenomena like exceptional points and the skin effect, has been most prominently realized in engineered systems relying on controlled gain a…

cond-mat.mes-hall2026

Observation of Dyakonov-Perel-type magnon spin relaxation in uniaxial antiferromagnetic insulators

Qinwu Gao, Andi Cong, Bokai Liang +6

Long-distance transport of magnon spin currents in antiferromagnetic (AFM) insulators has attracted tremendous attention recently, however, the AFM magnon spin relaxation mechanism…

cond-mat.mes-hall2026

Giant bulk photovoltaic effect driven by interfacial symmetry breaking in MoS2/Ta2NiSe5 heterostructures

Jianwen Ma, Pengliang Leng, Lei Peng +16

Van der Waals (vdW) heterostructures offer a versatile platform for engineering unconventional bulk photovoltaic (BPV) effect through interfacial symmetry breaking. However, the co…

cond-mat.mes-hall2026

Dimensional crossover and local strain induced deflection of the spin spiral state in multiferroic NiI2

Tianxing Jiang, Lianchuang Li, Haiyan Zhu +10

Low-dimensional multiferroics hold great promise for integrated magnetoelectric devices. Spin spiral state has recently been shown to induce ferroelectricity in single-layer van de…

cond-mat.mes-hall2026

Direct observation of interfacial exchange coupling in a magnetic tunnel junction through spin-polarized quasiparticle interference

Xu Wang, Chenxi Wang, Ying Yang +5

Interfacial exchange coupling plays a critical role in enabling novel phenomena in magnetic heterostructures, such as spin triplet superconductivity, quantum anomalous Hall effect…