On the Emergence of Time in Quantum Gravity

Details On the Emergence of Time in Quantum Gravity On the Emergence of Time in Quantum Gravity

1999-01-08

arxiv.org/abs/gr-qc/9901024v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

To appear in ``The Arguments of Time'', ed. J. Butterfield, Oxford University Press, 1999

Scientific paper

We discuss from a philosophical perspective the way in which the normal concept of time might be said to `emerge' in a quantum theory of gravity. After an introduction, we briefly discuss the notion of emergence, without regard to time (Section 2). We then introduce the search for a quantum theory of gravity (Section 3); and review some general interpretative issues about space, time and matter Section 4). We then discuss the emergence of time in simple quantum geometrodynamics, and in the Euclidean approach (Section 5). Section 6 concludes.

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