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      https://www.ias.ac.in/article/fulltext/pram/042/04/0341-0348

    • Keywords

       

      Ensemble; locality; singlet; triplet; wavefunction

    • Abstract

       

      The EPR-Bell correlations between the spins of a pair of particles originally in a singlet state are discussed both on the basis of the mathematical formalism of quantum mechanics and the ensemble interpretation. It is shown that the correlations predicted by the mathematical formalism are in agreement with those expected on the basis of the ensemble interpretation, if the electrons are treated as distinguishable particles after they separate and undergo observation. In this case, the correlations are only in partial agreement with agedanken experiment of Mermin on the subject. It is pointed out, however, that agreement with Mermin’s conclusions is possible if one treats the electrons as indistinguishable even when they are subjected to observation after separation, though there is no obvious theoretical justification for doing so.

    • Author Affiliations

       

      Ravi K Menon1 V K Thankappan1

      1. Department of Physics, University of Calicut, Calicut - 673 635, India
    • Dates

       
  • Pramana – Journal of Physics | News

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