Abstract

The aim of this paper is to provide an introduction to Fine's interpretation of quantum mechanics and to show how it can solve the EPR-Bell problem. In the real spin-correlation experiments the detection/emission inefficiency is usually ascribed to independent random detection errors, and treated by the “enhancement hypothesis.” In Fine's interpretation the detection inefficiency is an effect not only of the random errors in the analyzer + detector equipment, but is also the manifestation of a pre-settled (hidden) property of the particles. I present one of Fine's 2×2 prism models for the EPR experiment and compare it with the recent experimental results. In the second part of the paper I prove the existence of a wide class of n×n prism models with reasonable detection/emission efficiencies, satisfying the usually required symmetries. Contrary to the common persuasion, the efficiencies in these models do not necessarily tend to zero if n→∞