非局域关联存在已经被实验间接证明
Bell 不等式的违背是量子非局域关联存在的重要证据之一。下面这篇报道说“Bell 不等式的违背”已经被实验证实。
Phys. Rev. Lett. 81, 5039–5043 (1998)
Violation of Bell's Inequality under Strict Einstein Locality Conditions
We observe strong violation of Bell's inequality in an Einstein-Podolsky-Rosen-type experiment with independent observers. Our experiment definitely implements the ideas behind the well-known work by Aspect et al. We for the first time fully enforce the condition of locality, a central assumption in the derivation of Bell's theorem. The necessary spacelike separation of the observations is achieved by sufficient physical distance between the measurement stations, by ultrafast and random setting of the analyzers, and by completely independent data registration.
据说这是一篇诺贝尔提名奖研究工作。