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physics.optics2026
Acoustic toroidal vortices with programmable links and knots
Shuai Liu, Xiang-Yuan Xu, Hao Ge +3
Toroidal vortices are three-dimensional torus-shaped wave structures characterized by phase circulation around a closed vortex line. Their toroidal geometry provides a natural foun…
cond-mat.mes-hall2026
Acoustic quantum skyrmion-valley Hall effect
Lei Liu, Xiujuan Zhang, Ming-Hui Lu +1
Skyrmions are particle-like topological textures that hold great promise for low-power electronics and wave-based functionalities. Yet their utility is hindered by the lack of robu…