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quant-ph2026★ 1 cited
Experimental violation of a Bell-like inequality for causal order
Yu Guo, Hao Tang, Bo-Xuan Wang +9
Quantum mechanics is compatible with scenarios where physical processes happen in an indefinite order. In theory, this feature could be detected through violations of inequalities…
quant-ph2024
Demonstration of superior communication through thermodynamically free channels in an optical quantum switch
Hao Tang, Yu Guo, Xiao-Min Hu +4
The release of causal structure of physical events from a well-defined order to an indefinite one stimulates remarkable enhancements in various quantum information tasks. Some of t…