Stronger two-observer all-versus-nothing violation of local realism.
Stronger two-observer all-versus-nothing violation of local realism.
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DOI:
10.1103/physrevlett.95.210401
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发表时间:
2005-07
影响因子:
8.6
通讯作者:
A. Cabello
中科院分区:
文献类型:
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作者:
A. Cabello
We introduce a two-observer all-versus-nothing proof of Bell's theorem which reduces the number of required quantum predictions from 9 to 4, provides a greater amount of evidence against local realism, reduces the detection efficiency requirements for a conclusive experimental test of Bell's theorem, and leads to a Bell inequality which resembles Mermin's inequality for three observers but requires only two observers.