Intrinsic time in Wheeler–DeWitt conformal superspace

Intrinsic time in Wheeler–DeWitt conformal superspace Intrinsic time in geometrodynamics is obtained using a scaled Dirac mapping. By addition of a background metric, one can construct a scalar field which is suitable for the role of intrinsic time. The Cauchy problem was successfully solved in conformal variables because they are physical. Intrinsic time as a logarithm of the spatial metric determinant was first applied to a cosmological problem byMisner. Global time exists under the condition of a constant mean curvature slicing of spacetime. A coordinate volume of a hypersurface and the so-called York’s mean time are a canonical conjugated pair. So, the volume is intrinsic global time by its sense. The experimentally observed redshift in cosmology is an evidence of its existence. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Gravitation and Cosmology Springer Journals

Intrinsic time in Wheeler–DeWitt conformal superspace

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Publisher
Pleiades Publishing
Copyright
Copyright © 2017 by Pleiades Publishing, Ltd.
Subject
Physics; Classical and Quantum Gravitation, Relativity Theory; Astronomy, Observations and Techniques; Astrophysics and Astroparticles; Quantum Physics
ISSN
0202-2893
eISSN
1995-0721
D.O.I.
10.1134/S0202289317030124
Publisher site
See Article on Publisher Site

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