Predictability in Quantum Gravity and Black Hole Evaporation

Details Predictability in Quantum Gravity and Black Hole Evaporation Predictability in Quantum Gravity and Black Hole Evaporation

1993-12-09

arxiv.org/abs/gr-qc/9312017v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages TeX 3.0, UTPT-93-31

Scientific paper

A possible resolution of the information loss paradox for black holes is proposed in which a phase transition occurs when the temperature of an evaporating black hole equals a critical value, $T_c$, and Lorentz invariance and diffeomorphism invariance are spontaneously broken. This allows a generalization of Schr\"odinger's equation for the quantum mechanical density matrix, such that a pure state can evolve into a mixed state, because in the symmetry broken phase the conservation of energy-momentum is spontaneously violated. TCP invariance is also spontaneously broken together with time reversal invariance, allowing the existence of white holes, which are black holes moving backwards in time. Domain walls would form which separate the black holes and white holes (anti-black holes) in the broken symmetry regime, and the system could evolve into equilibrium producing a balance of information loss and gain.

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