2 papers
quant-ph2026
Observing Bell Inequality Violation Beyond the Qubit Bound in a Spinor Bose--Einstein Condensate
Wenxin Xu, Junshuang Hu, Guillem Müller-Rigat +4
Correlations allowed by quantum mechanics can defy any classical explanation, with Bell nonlocality standing as their most profound and operationally powerful manifestation. While…
quant-ph2026
Optimal Control of Spin Squeezing in 2D Finite-Range Interacting Systems
Ang Li, Ling-Na Wu, Li You
Spin squeezing serves as both a fundamental witness of quantum entanglement and a critical resource for quantum-enhanced metrology. While generating substantial spin squeezing in f…