Spontaneous Dimensional Reduction in Short-Distance Quantum Gravity?

Details Spontaneous Dimensional Reduction in Short-Distance Quantum Gravity? Spontaneous Dimensional Reduction in Short-Distance Quantum Gravity?

2009-09-17

arxiv.org/abs/0909.3329v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, aip macros. Invited talk at the XXV Max Born Symposium, "Physics at the Planck scale," Wroclaw (Poland), June 29--Jul

Scientific paper

Several lines of evidence suggest that quantum gravity at very short
distances may behave effectively as a two-dimensional theory. I summarize these
hints, and offer an additional argument based on the strong-coupling limit of
the Wheeler-DeWitt equation. The resulting scenario suggests a novel approach
to quantum gravity at the Planck scale.

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