Emergent non-commutative matter fields from Group Field Theory models of quantum spacetime

Details Emergent non-commutative matter fields from Group Field Theory models of quantum spacetime Emergent non-commutative matter fields from Group Field Theory models of quantum spacetime

2009-03-23

arxiv.org/abs/0903.3970v1

J.Phys.Conf.Ser.174:012047,2009

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, no figures; uses JPConf style; contribution to the proceedings of the D.I.C.E. 2008 workshop

Scientific paper

10.1088/1742-6596/174/1/012047

We offer a perspective on some recent results obtained in the context of the group field theory approach to quantum gravity, on top of reviewing them briefly. These concern a natural mechanism for the emergence of non-commutative field theories for matter directly from the GFT action, in both 3 and 4 dimensions and in both Riemannian and Lorentzian signatures. As such they represent an important step, we argue, in bridging the gap between a quantum, discrete picture of a pre-geometric spacetime and the effective continuum geometric physics of gravity and matter, using ideas and tools from field theory and condensed matter analog gravity models, applied directly at the GFT level.

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