Quantum entanglement — the strange correlation between particles separated in space — could soon move from physics laboratories into practical technologies that help computers, networks and even financial trading systems coordinate decisions when communication is limited, according to a new study.
Scientists from Fudan University and the Shanghai Institute for Mathematics and Interdisciplinary Sciences propose what they dubbed “quantum telepathy,” a technique that uses entanglement to coordinate actions between systems that cannot communicate quickly enough to share information in real time. According to the study, posted to the arXiv preprint server, the approach could offer measurable advantages in situations where communication delays or barriers make classical coordination difficult.
The researchers — Dawei Ding and Xinyu Xu — write that quantum telepathy “guarantees a quantum advantage via Bell’s theorem and can directly solve real-world problems,” including reducing risk in high-frequency trading or improving load balancing in distributed computer networks.
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