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- Dynamical evaporation of quantum horizons

We describe of the evaporation

process as driven by the dynamical evolution of the quantum gravitational

degrees of freedom resident at the horizon, as identified by the Loop Quantum

Gravity kinematics. Using a parallel with the Brownian motion, we interpret the

first law of quantum dynamical horizon in terms of a fluctuation-dissipation

relation applied to this fundamental discrete structure. In this way, the

horizon evolution is described in terms of relaxation to an equilibrium state

balanced by the excitation of Planck scale constituents of the horizon. We show

how from this setting the emergence of several conservative scenarios for the

final stage of the evaporation process can be microscopically derived. Namely,

the leakage of part of the horizon quantum geometry information prior to the

Planckian phase and the stabilization of the hole surface shrinkage forming a

massive remnant, which can eventually decay, are shown to take place.

Event Type:

Seminar

Collection/Series:

Scientific Area(s):

Speaker(s):

Event Date:

Thursday, November 8, 2012 - 14:30 to 16:00

Location:

Time Room

©2012 Perimeter Institute for Theoretical Physics