Quantum violation of entropic non-contextual inequality in four-dimension
arXiv:1211.2518 · doi:10.1103/PhysRevA.87.014104
Abstract
Using joint Shannon entropy, we propose an inequality for a four-level system, which is satisfied in any non-contextual realist hidden variable model. We show that this entropic inequality is violated by quantum mechanics for a range of entangled, as well as product states. Our inequality can be experimentally tested using the existing technology.
4 pages, 2 figs; published version
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