3 papers
quant-ph2026
Imaginarity witnessing enhancement via spectral norms of witnesses
Yuhang Xie, Yanjun Chu, Yushan Ding +1
Quantum imaginarity is an essential physical resource that underpins key functionalities of modern quantum technologies. We improve imaginarity witnessing via the prior knowledge o…
quant-ph2026
Quantum-state block texture and its quantification
Yanjun Chu, Yuhang Xie, Chenyang Cui +1
Quantum-state texture (QST) is an emerging quantum resource that has garnered increasing attention amid advances in quantum theory. In this work, we generalize the QST to quantum-s…
quant-ph2026
Identifying local unitary equivalence based on reduction of quantum states
Yanjun Chu, Chenyang Cui, Yuhang Xie +2
Local unitary equivalence is central to entanglement quantification and classification. Identifying the local unitary equivalence remains a formidable challenge. We address this pr…