Transcription of Simplest proof of Bell’s inequality - Lorenzo Maccone
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Simplest proof of bell s inequality - LorenzoMacconeBell s theorem is a fundamental result in quantum mechanics: it discrim-inates between quantum mechanics and all theories where probabilities inmeasurement results arise from the ignorance of pre-existing local proper-ties. We give an extremely simple proof of bell s inequality : a single figuresuffices. This simplicity may be useful in the unending debate of what ex-actly the bell inequality means, since the hypothesis at the basis of the proofbecome extremely transparent. It is also a useful didactic tool, as the Bellinequality can be explained in a single intuitive IntroductionEinstein had a dream. He believed quantum mechanics was an incomplete de-scription of reality [1] and that its completion might explain the troublesomefundamental probabilities of quantum mechanics as emerging from some hid-den degrees of freedom: probabilities would arise because of our ignoranceof these hidden variables.
Simplest proof of Bell’s inequality - Lorenzo Maccone Bell’s theorem is a fundamental result in quantum mechanics: it discrim-inates between quantum mechanics and all theories where probabilities in
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