pubmed
Entanglement-enhanced quantum lock-in detection achieving Heisenberg scaling.
Zhang JW; Zhuang M; Wang B; Yuan WF; Li JC; Ding GY; Ding WQ; Chen L; Chen SJ; Zhou F; Lee C; Feng M
Scientists have figured out a new way to make a tool called QLID better by using a special kind of connection between particles called entanglement. This helps them measure tiny signals more accurately, even when there's a lot of noise. They did this with two tiny particles and reached a new level of measuring that wasn't possible before.
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