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quant-ph2026
Fun with Graph States: Nonlocal Bell Pairs and the Arf Invariant
Bartlomiej Czech, Yichen Feng, Xianlai Wu +1
We study inner products and partial amplitudes of graph states--a commonly employed class of quantum states, which are specified by graphs. We find that the magnitudes of these qua…
quant-ph2025
Identifying the -qubit state with quantum uncertainty relation
Zhi-Jie Liu, Hao-Nan Qiang, Jie Zhou +2
The state, a canonical representative of multipartite quantum entanglement, plays a crucial role in quantum information science due to its robust entanglement properties. Quant…
quant-ph2024
Einstein-Podolsky-Rosen steering paradox "2=1'' for qubits
Zhi-Jie Liu, Jie Zhou, Hui-Xian Meng +4
Einstein-Podolsky-Rosen (EPR) paradox highlights the absence of a local realistic explanation for quantum mechanics, and shows the incompatibility of the local-hidden-state models…