Gauge/gravity duality
arXiv:gr-qc/0602037
Abstract
We review the emergence of gravity from gauge theory in the context of AdS/CFT duality. We discuss the evidence for the duality, its lessons for gravitational physics, generalizations, and open questions.
To appear in "Towards quantum gravity", ed. Daniele Oriti, Cambridge University Press. 20pgs; v2, v3: references updated