Measurements Incompatible in Quantum Theory Cannot Be Measured Jointly in Any Other No-Signaling Theory
نویسندگان
چکیده
منابع مشابه
Measurements incompatible in quantum theory cannot be measured jointly in any other no-signaling theory.
It is well known that jointly measurable observables cannot lead to a violation of any Bell inequality--independent of the state and the measurements chosen at the other site. In this Letter we prove the converse: every pair of incompatible quantum observables enables the violation of a Bell inequality and therefore must remain incompatible within any other no-signaling theory. While in the cas...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2009
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.103.230402