• S M Roy

      Articles written in Pramana – Journal of Physics

    • Bell’s inequalities and quantum measurement theory

      S M Roy

      More Details Abstract Fulltext PDF

      Bell’s inequalities arising from the Einstein-Bell locality postulate or the Noncontextuality postulate provide valuable tests of the classical versus the quantum description independent of detailed dynamics. For 2n degrees of freedom, these inequalities are violated by the quantum theory by a factor 2(n−1)/2 raising important questions for measurement theory.

    • Maximally causal quantum mechanics

      S M Roy

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      We present a new causal quantum mechanics in one and two dimensions developed recently at TIFR by this author and V Singh. In this theory both position and momentum for a system point have Hamiltonian evolution in such a way that the ensemble of system points leads to position and momentum probability densities agreeing exactly with ordinary quantum mechanics

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