1988•Modern Physics Letters ARequires access

INTERPRETATION AND PREDICTABILITY OF QUANTUM MECHANICS AND QUANTUM COSMOLOGY

Sumio Wada

Abstract

A non-probabilistic interpretation of quantum mechanics asserts that we get a prediction only when a wave function has a peak. Taking this interpretation seriously, we discuss how to find a peak in the wave function of the universe, by using some minisuperspace models with homogeneous degrees of freedom and also a model with cosmological perturbations. Then we show how to recover our classical picture of the universe from the quantum theory, and comment on the physical meaning of the backreaction equation.

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Key concepts: Minisuperspace, Quantum cosmology, Physics, Consistent histories, Minority interpretations of quantum mechanics, Interpretations of quantum mechanics, Predictability, Interpretation (philosophy)