Abstract
Abstract coordinate time is not observable, but “clock time” is observable, Therefore, any statement about temporal evolution can be replaced, without loss of observational content, by a statement about correlations between a clock and another physical system. We show that information about such correlations can be represented just as well in a single “timeless” quantum state as in a whole history of states. It is therefore not necessary to include “time” as a basic element in the description of the world.
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This paper is based on work done by D. N. Page and the author and published inPhys. Rev. D. 27, 2885–2892 (1982).
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Wootters, W.K. “Time” replaced by quantum correlations. Int J Theor Phys 23, 701–711 (1984). https://doi.org/10.1007/BF02214098
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DOI: https://doi.org/10.1007/BF02214098