A lattice bosonic model as a quantum theory of gravity

Details A lattice bosonic model as a quantum theory of gravity A lattice bosonic model as a quantum theory of gravity

2006-06-23

arxiv.org/abs/gr-qc/0606100v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages. RevTeX4. Homepage http://dao.mit.edu/~wen

Scientific paper

A local quantum bosonic model on a lattice is constructed whose low energy
excitations are gravitons described by linearized Einstein action. Thus the
bosonic model is a quantum theory of gravity, at least at the linear level. We
find that the compactification and the discretization of metric tenor are
crucial in obtaining a quantum theory of gravity.

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