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- Bengtsson, Ingemar, et al.
(author)
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Universality of State-Independent Violation of Correlation Inequalities for Non-Contextual Theories
- 2009
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In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 103:5, s. 050401-
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Journal article (peer-reviewed)abstract
- We show that the state-independent violation of inequalities for noncontextual hidden variable theories introduced in [Phys. Rev. Lett. 101, 210401 (2008)] is universal, i.e., occurs for any quantum mechanical system in which noncontextuality is meaningful. We describe a method to obtain state-independent violations for any system of dimension d >= 3. This universality proves that, according to quantum mechanics, there are no "classical'' states.
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