Numerical indications on the semiclassical limit of the flipped vertex

Details Numerical indications on the semiclassical limit of the flipped vertex Numerical indications on the semiclassical limit of the flipped vertex

2007-10-26

arxiv.org/abs/0710.5034v2

Class.Quant.Grav.25:095009,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 8 figures

Scientific paper

10.1088/0264-9381/25/9/095009

We introduce a technique for testing the semiclassical limit of a quantum gravity vertex amplitude. The technique is based on the propagation of a semiclassical wave packet. We apply this technique to the newly introduced "flipped" vertex in loop quantum gravity, in order to test the intertwiner dependence of the vertex. Under some drastic simplifications, we find very preliminary, but surprisingly good numerical evidence for the correct classical limit.

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