Chapter

Quantum Theory and Reality

David Hodgson

in The Mind Matters

Published in print February 1993 | ISBN: 9780198240686
Published online October 2011 | e-ISBN: 9780191680236 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780198240686.003.0016

Series: Clarendon Paperbacks

Quantum Theory and Reality

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The problem of measurement is only part of the overall problem of reconciling quantum mechanics with the other knowledge of the world. There are other aspects, closely related to the problem of measurement and sometimes discussed as part of this problem, which also need to be considered. This chapter deals with three issues. First, there is the question of what a quantum particle is, and how it behaves between measurements. Second, there is the matter of the curious correlations which exist between particles distant from each other, involving the Bell inequality and the Aspect experiments. Third, there is the general problem of reconciling the quantum mechanical view of macro objects with the common-sense view of such objects. The discussion concludes by drawing some conclusions about the implications of quantum physics for the nature of matter and of reality generally.

Keywords: quantum particle; EPR correlation; quantum descriptions; macro objects; Bell inequality

Chapter.  11712 words.  Illustrated.

Subjects: Philosophy of Mind

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