Quantum computation and hidden variables

V. V. Aristov; A. V. Nikulov

doi:10.1117/12.801893

29 April 2008 Quantum computation and hidden variables

V. V. Aristov, A. V. Nikulov

Proceedings Volume 7023, Quantum Informatics 2007; 702302 (2008) https://doi.org/10.1117/12.801893
Event: Quantum Informatics 2007, 2007, Moscow, Russian Federation

Abstract

Many physicists limit oneself to an instrumentalist description of quantum phenomena and ignore the problems of foundation and interpretation of quantum mechanics. This instrumentalist approach results to "specialization barbarism" and mass delusion concerning the problem, how a quantum computer can be made. The idea of quantum computation can be described within the limits of quantum formalism. But in order to understand how this idea can be put into practice one should realize the question: "What could the quantum formalism describe?", in spite of the absence of an universally recognized answer. Only a realization of this question and the undecided problem of quantum foundations allows to see in which quantum systems the superposition and EPR correlation could be expected. Because of the "specialization barbarism" many authors are sure that Bell proved full impossibility of any hidden-variables interpretation. Therefore it is important to emphasize that in reality Bell has restricted to validity limits of the no-hidden-variables proof and has shown that two-state quantum system can be described by hidden variables. The later means that no experimental result obtained on two-state quantum system can prove the existence of superposition and violation of the realism. One should not assume before unambiguous experimental evidence that any two-state quantum system is quantum bit. No experimental evidence of superposition of macroscopically distinct quantum states and of a quantum bit on base of superconductor structure was obtained for the present. Moreover same experimental results can not be described in the limits of the quantum formalism.

Citation Download Citation

V. V. Aristov and A. V. Nikulov "Quantum computation and hidden variables", Proc. SPIE 7023, Quantum Informatics 2007, 702302 (29 April 2008); https://doi.org/10.1117/12.801893

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