Emergent spacetimes

Details Emergent spacetimes Emergent spacetimes

2007-11-28

arxiv.org/abs/0711.4416v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

PhD thesis at Victoria University of Wellington, New Zealand (Advisor: Prof. Matt Visser), 234 pages

Scientific paper

We discuss the possibility that spacetime geometry may be an emergent phenomenon. This idea has been motivated by the Analogue Gravity programme. These are systems where the kinematics of small perturbations are dominated by an effective gravitational field. In these models there is no obvious connection between the "gravitational" field tensor and the Einstein equations, as the emergent spacetime geometry arises as a consequence of linearising around some classical field. After a brief introduction on this topic, we present our recent contributions to the field.

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