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Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Epistemology of quantum mechanics: the Växjö viewpoint

Andrei Yu. Khrennikov

Published Sep 8, 2011• 0 citations
Publisher

Abstract

This paper summarizes the experience of the Växjö series of conferences - the longest series of conferences on foundations of quantum mechanics. One of the main lessons of this series is that the present state of development of quantum theory does not exclude a possibility to elaborate a local realistic interpretation. One of such interpretations, the Växjö interpretation, combines realism and contextuality. And it became recognized worldwide.

DOI
10.1117/12.906063

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This paper summarizes the experience of the Växjö series of conferences - the longest series of conferences on foundations of quantum mechanics. One of the main lessons of this series is that the present state of development of quantum theory does not exclude a possibility to elaborate a local realistic interpretation. One of such interpretations, the Växjö interpretation, combines realism and contextuality. And it became recognized worldwide.
This conference was devoted to fundamental questions raised by quantum mechanics, especially in quantum information theory. As has become customary in our series of conference in Vaxjo, we were glad to welcome a fruitful assembly of theoretical physicists, experimentalists, mathematicians and even philosophers interested in the foundations of probability and physics. This conference belongs to the series of Vaxjo conferences in foundations of quantum mechanics (especially probabilistic foundations) combined of two subseries, Foundations of Probability and Physics: 2000, 02, 04, 06, 08, and Quantum Theory: Reconsideration of Foundations: 2001, 03, 05, 07. We also mention the first Vaxjo conference: Bohmian mechanics 2000. This is definitely the longest series of conferences on foundations in the history of quantum mechanics.
The purpose of the conference (the fourth in the series of Vaxjo conferences) was to bring together scientists (physicists, mathematicians and philosophers) who are interested in foundations of quantum physics. An emphasis was made on both theory and experiment, the underlying objective being to offer to the physical, mathematical and philosophic communities a truly interdisciplinary conference as a privileged place for a scientific interaction. Due to the actual increased role of foundations in the development of quantum information theory as well as the necessity to reconsider foundations at the beginning of the new millennium, the organizers of the conference decided that it was just the right time for taking the scientific risk of trying this.
The belief that quantum mechanics (QM) does not admit a realistic interpretation is widespread. According to some scholars concerned with the foundations of QM all existing interpretations of this theory (except for the statistical interpretation) presuppose instead a form of realism which consists in assuming that QM deals with individual objects and their properties. We uphold in the present paper that the arguments supporting the contextuality and the nonlocality of QM are a significant clue to the implicit adoption of stronger forms of realism (realism of theoretical entities and realism of theories). If these kinds of realism are substituted by a simpler and more intuitive semantic realism one can contrive a noncontextual and local interpretation of the formalism of QM (SR interpretation). Moreover one can provide a model for such an interpretation (ESR model) in which local realism and QM do not conflict and some fundamental problems of the standard interpretation of QM are avoided.
We present critical arguments against individual interpretation of Bohr’s complementarity and Heisenberg’s uncertainty principles. Statistical interpretation of these principles is discussed in the contextual framework. We support the possibility to use Statistical Contextual Realist Interpretation of quantum formalism. In spite of all no-go theorems (e.g., von Neumann, Kochen and Specker,..., Bell,...), recently (quant-ph/0306003 and 0306069) we constructed a realist basis of quantum mechanics. In our model both classical and quantum spaces are rough images of the fundamental prespace. Quantum mechanics cannot be reduced to classical one. Both classical and quantum representations induce reductions of prespace information. ”Often we enter the unknown edifice of a new scientific discipline through a lesser gate that leads us into a side passage. It may take us a long while to find our way to the main portal and to view the whole structure in its proper perspective”. E. Schrödinger 1
This conference is one of a series of Vaxjo conferences on the foundations of quantummechanics. The main aim of this conference was to understand the role that probability plays in the foundations of physics, theoretical as well as experimental. It should be emphasized that nowadays the problems of probabilistic foundations are not of purely theoretical interest. These problems play a fundamental role in future development of quantum computing and cryptography. At this conference we were fortunate to have a mixture of outstanding physicists, mathematicians, and even philosophers interested in scientific foundations in attendance. The following problems were discussed: unification of classical and quantum probability theories, EPR-Bohm and theoriginal EPR experiments, Bell's inequality: interpretations of its violation and loopholes,simulation of EPR-Bohm correlations in the local realistic approach, nonlocality, contextual probabilistic models, subjective probability and quantum information, quantum logic, results of recent experiments in quantum information, philosophic foundations of probability and quantum mechanics, model theory, discrete time and dynamics.