Gravity and Entanglement

Synopsis

The AdS/CFT correspondence from string theory provides a quantum theory of gravity in which spacetime and gravitational physics-archive emerge from an ordinary non-gravitational quantum system with many degrees of freedom. In this talk, I will explain how quantum entanglement between these degrees of freedom is crucial for the emergence of a classical spacetime, and describe progress in understanding how spacetime dynamics (gravitation) arises from the physics-archive of quantum entanglement.