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Evidence of Time Evolution in Quantum Gravity
Version 1
: Received: 1 April 2020 / Approved: 3 April 2020 / Online: 3 April 2020 (04:36:11 CEST)
A peer-reviewed article of this Preprint also exists.
Kalashnikov, S.C.V. Evidence of Time Evolution in Quantum Gravity. Universe 2020, 6, 67. Kalashnikov, S.C.V. Evidence of Time Evolution in Quantum Gravity. Universe 2020, 6, 67.
Abstract
We argue that the problem of time is not a crucial issue inherent in the quantum picture of the universe evolution. On the minisuperspace model example with the massless scalar field, we demonstrate four approaches to the description of quantum evolution, which give similar results explicitly. The relevance of these approaches to building a quantum theory of gravity is discussed.
Keywords
quantum cosmology; the problem of the time; initial conditions in the quantum universe; quantum gravity
Subject
Physical Sciences, Quantum Science and Technology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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