A note on the geometric interpretation of Bell's inequalities
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🪐 quant-ph
math-phmath.MP
keywords
bellinequalitiescasecorrelationdirectelementaryfashiongeometric
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Using results of Pitowsky and Gupta, we show in a direct, elementary fashion that, in the case of three spins, Bell's inequalities indeed provide a representation of the tetrahedron of all spin correlation matrices as intersection of half-spaces.
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