Time and Bell-type inequalities

Abstract Bell-type inequalities involve coincidence counting rates and are tested in coincidence experiments. Time is ontologically intertwined with the definition of coincidence. An example is proposed in which Bell's inequality is violated by a local model, simply because the interaction between a photon and a photomultiplier is not instantaneous, but requires a finite elapse of time. Models are only illustrative examples and there is no reason why they should reflect reality. We only claim that maybe Bell-type inequalities are not as general as they are supposed to be in ruling out local hidden variable theories.

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