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quant-ph2026
Entanglement certification via causal-order interferometry in a quantum switch
Haojie Wang, Shuheng Liu, Qiongyi He
Entanglement certification is often performed on states that have already undergone noisy transmission or processing. Noise can reduce the surviving entanglement and can also cause…
quant-ph2025★ 2 cited
Non-commutativity as a Universal Characterization for Enhanced Quantum Metrology
Ningxin Kong, Haojie Wang, Mingsheng Tian +4
A central challenge in quantum metrology is to effectively harness quantum resources to surpass classical precision bounds. Although recent studies suggest that the indefinite caus…