Experimental demonstration of quantum causal inference via noninvasive measurements

H Liu, X Liu, Q Chen, Y Qiu, V Vedral, X Nie… - arxiv preprint arxiv …, 2024 - arxiv.org
We probe the foundations of causal structure inference experimentally. The causal structure
concerns which events influence other events. We probe whether causal structure can be …

Experimental Virtual Quantum Broadcasting

Y Zheng, X Nie, H Liu, Y Luo, D Lu, X Liu - arxiv preprint arxiv:2501.11390, 2025 - arxiv.org
The quantum no-broadcasting theorem states that it is fundamentally impossible to perfectly
replicate an arbitrary quantum state, even if correlations between the copies are allowed …