3d Quantum Gravity and Effective Non-Commutative Quantum Field Theory
High Energy Physics - Theory
2008-11-26 v2 General Relativity and Quantum Cosmology
Abstract
We show that the effective dynamics of matter fields coupled to 3d quantum gravity is described after integration over the gravitational degrees of freedom by a braided non-commutative quantum field theory symmetric under a kappa-deformation of the Poincare group.
Cite
@article{arxiv.hep-th/0512113,
title = {3d Quantum Gravity and Effective Non-Commutative Quantum Field Theory},
author = {Laurent Freidel and Etera R. Livine},
journal= {arXiv preprint arXiv:hep-th/0512113},
year = {2008}
}
Comments
4 pages, to appear in Phys. Rev. Letters, Proceedings of the conference "Quantum Theory and Symmetries 4" 2005 (Varna, Bulgaria), v2: some clarifications on the Feynman propagator and slight change in title