Loop and spin foam quantum gravity: a brief guide for beginners
arXiv:hep-th/0601129 · doi:10.1007/978-3-540-71117-9_9
Abstract
We review aspects of loop quantum gravity and spin foam models at an introductory level, with special attention to questions frequently asked by non-specialists.
20 pages, 11 figures; Contributed article to "An assessment of current paradigms in the physics of fundamental interactions", ed. I. Stamatescu, Springer; v2: several issues clarified, references added