Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1996-02-21
Phys.Rev.D54:5381-5384,1996
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
11 pages, plain TeX, Feb 96
Scientific paper
10.1103/PhysRevD.54.5381
We show that the Hamiltonian of four-dimensional Lorentzian gravity, defined on a space of real, SU(2)-valued connections, in spite of its non-polynomiality possesses a natural quantum analogue in a lattice-discretized formulation of the theory. This opens the way for a systematic investigation of its spectrum. The unambiguous and well-defined scalar product is that of the SU(2)-gauge theory. We also comment on various aspects of the continuum theory.
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