2000/08/31 by J. W. Moffat, J.W. Moffat
Physics and Astronomy · #Black Holes and Theoretical Physics #Gravitation #Gravitational field #Graviton #Loop quantum gravity #Noncommutative and Quantum Gravity Theories #Noncommutative geometry #Noncommutative quantum field theory #Quantum Electrodynamics and Casimir Effect #Quantum gravity #Semiclassical gravity #Spin foam #gr-qc #hep-th
paper · pdf · doi:10.1016/s0370-2693(00)01139-4
published as Phys.Lett. B493 (2000) 142-148 · 11 pages LaTex. No figures. Changes to text. To be published in Physics Letters B
arxiv created 2000/09/29 · openalex publication_date 2000/11/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We study perturbative noncommutative quantum gravity by expanding the gravitational field about a fixed classical background. A calculation of the one loop gravitational self-energy graph reveals that only the non-planar graviton loops are damped by oscillating internal momentum dependent factors. The noncommutative quantum gravity perturbation theory is not renormalizable beyond one loop for matter-free gravity and all loops for matter interactions. Comments are made about the nonlocal gravitational interactions produced by the noncommutative spacetime geometry.