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Physicists at Northwestern University have developed a groundbreaking strategy to stabilize quantum networks, addressing a major challenge in this emerging field. Quantum networks rely on entangled photons for secure communication but face the critical issue of links disappearing after use. The researchers propose adding sufficient connections between nodes to maintain network stability without overloading resources.
Their model demonstrates that maintaining connectivity requires adding a specific number of additional links—exactly the square root of the number of users involved in each communication event. This approach ensures the network remains functional while avoiding overload or fragmentation, which often occurs when too few links are added.
Kovács explains that their findings could revolutionize how quantum networks are designed, ensuring they remain robust and efficient even as they handle vast amounts of information. The team’s work highlights a promising solution to one of the most pressing challenges in quantum communication technology, offering hope for more reliable and scalable networks in the future.
This innovative strategy has been validated through modeling and published in *Physical Review Letters*, marking a significant step forward in the quest to harness quantum entanglement for practical applications.
Source: https://phys.org/news/2025-01-physicists-bridge-strategy-stabilize-quantum.html