• Huw Price

      Articles written in Pramana – Journal of Physics

    • Backward causation, hidden variables and the meaning of completeness

      Huw Price

      More Details Abstract Fulltext PDF

      Bell’s theorem requires the assumption that hidden variables are independent of future measurement settings. This independence assumption rests on surprisingly shaky ground. In particular, it is puzzlingly time-asymmetric. The paper begins with a summary of the case for considering hidden variable models which, in abandoning this independence assumption, allow a degree of ‘backward causation’. The remainder of the paper clarifies the physical significance of such models, in relation to the issue as to whether quantum mechanics provides a complete description of physical reality.

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