On the area operators of the Husain-Kuchar-Rovelli model and Canonical/Loop Quantum Gravity

Details On the area operators of the Husain-Kuchar-Rovelli model and Canonical/Loop Quantum Gravity On the area operators of the Husain-Kuchar-Rovelli model and Canonical/Loop Quantum Gravity

1998-04-24

arxiv.org/abs/gr-qc/9804063v1

Mod.Phys.Lett. A13 (1998) 1155-1161

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LaTex, 8 pages

Scientific paper

10.1142/S0217732398001224

I investigate the relation between an operative definition of the area of a
surface specified by matter fields and the area operators recently introduced
in the canonical/loop approach to Quantum Gravity and in Rovelli's variant of
the Husain-Kuchar Quantum-Gravity toy model. The results suggest that the
discreteness of the spectra of the area operators might not be observable.

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