3 years ago

Curved Backgrounds in Emergent Gravity.

Joshua Erlich, Shikha Chaurasia, Yiyu Zhou

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.

Publisher URL: http://arxiv.org/abs/1710.07262

DOI: arXiv:1710.07262v2

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