2 papers
quant-ph2026
Quantum Wave-Particle Duality in Free-Electron--Free-Electron Entanglement
Du Ran, Jing-Yi Liu, Dan Jin +4
Point-particle descriptions of electron-electron interaction omit the coherent longitudinal extent of a free-electron quantum wave packet (QEW). A relativistic two-electron wave-pa…
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…