Curved Backgrounds in Emergent Gravity
arXiv:1710.07262 · doi:10.1088/1361-6382/aabac0
Abstract
Field theories that are generally covariant but nongravitational at tree level typically give rise to an emergent gravitational interaction whose strength depends on a physical regulator. We consider emergent gravity models in which scalar fields assume the role of clock and rulers, addressing the problem of time in quantum gravity. We discuss the possibility of nontrivial dynamics for clock and ruler fields, and describe some of the consequences of those dynamics for the emergent gravitational theory.
arXiv comment16 pages, 4 eps figures. Minor typos corrected, one reference added
References in corpus (7)
- The Large N Limit of Superconformal Field Theories and Supergravity
- On the Origin of Gravity and the Laws of Newton
- Cool horizons for entangled black holes
- Space from Hilbert Space: Recovering Geometry from Bulk Entanglement
- Dynamical Foundations of the Brane Induced Gravity
- Emergent Gravity from Vanishing Energy-Momentum Tensor
- Composite gauge-bosons made of fermions