Experimental Optimal Orienteering via Parallel and Antiparallel Spins

Jun-Feng Tang1,2, Zhibo Hou1,2, Jiangwei Shang3

  • 1Key Laboratory of Quantum Information, University of Science and Technology of China, CAS, Hefei 230026, China.

Physical Review Letters
|February 29, 2020
PubMed
Summary

Antiparallel spins offer superior orienteering compared to parallel spins, a finding linked to quantum measurement entanglement. Experiments using photonic quantum walks confirm this advantage, showing entangling measurements yield more information than local ones.

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