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Abstract title Emergent gravity and the dark universe
Author Verlinde, Erik, University of Amsterdam, Amsterdam, Netherlands (Presenting Author)
Topic Subatomic physics
Abstract text

Logically speaking the observed deviations from the laws of gravity of Newton and Einstein in galaxies and clusters can be either due to the presence of unseen dark matter particles or due to a change in the way gravity works in these situations. Until recently there appeared to be no reason to doubt that general relativity correctly describes gravity in all circumstances. In the last few year insights from black hole physics and string theory have lead to important theoretical advances in our understanding of gravity. A new theoretical framework is being developed in which the gravitational laws are derived as emerging from changes in the quantum entanglement of the microscopic information that is underlying space-time. I will make clear that this new theory of emergent gravity provides a conceptual explanation for why general relativity receives modifications in galaxies and clusters. I will present a quantitative estimate of these modifications and show that these agree with the observed phenomena currently attributed to dark matter.

Focus sessionYes