Dynamics and entanglement in spherically symmetric quantum gravity

Understand

The gravity-scalar field system in spherical symmetry provides a natural setting for exploring gravitational collapse and its aftermath in quantum gravity.

• In a canonical approach, we give constructions of the Hamiltonian operator, and of semiclassical states peaked on constraint free data.
• Such states provide explicit examples of physical states.
• We also show that matter-gravity entanglement is an inherent feature of physical states, whether or not there is a black hole.