Quantum Geometry Phenomenology: Angle and Semiclassical States

Details Quantum Geometry Phenomenology: Angle and Semiclassical States Quantum Geometry Phenomenology: Angle and Semiclassical States

2011-12-19

arxiv.org/abs/1112.4366v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

5 pages, slightly extended version of the contribution to the Loops'11 conference proceedings

Scientific paper

The phenomenology for the deep spatial geometry of loop quantum gravity is discussed. In the context of a simple model of an atom of space, it is shown how purely combinatorial structures can affect observations. The angle operator is used to develop a model of angular corrections to local, continuum flat-space 3-geometries. The physical effects involve neither breaking of local Lorentz invariance nor Planck scale suppression, but rather reply on only the combinatorics of SU(2) recouping theory. Bhabha scattering is discussed as an example of how the effects might be observationally accessible.

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