Remarks on Black Hole Evolution a la Firewalls and Fuzzballs
arXiv:1211.5645
Abstract
Assume that there exists a fundamental theory of gravity which has a fundamental length scale and which is capable of explaining black hole evolution process fully in terms of fundamental microscopic degrees of freedom. The resultant evolution will clearly be unitary and will have no information loss. Carrying this assumption to its logical conclusion and, in particular, by considering the size of the region obtained by resolving the black hole singularity in such a theory, we arrive at a scenario very similar to that in Mathur's fuzz ball proposal where there is no horizon. We also comment on the consistency of such a picture with the recent results of Almheiri et al.
13 pages. Version 2: A footnote + a few minor changes added, mentioning a point which was left implicit. Version 3: A reference added. Version 4: d dependence is restored in formulas where d = 4 was assumed implicitly
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- Black hole complementarity and firewall in two dimensions
- An Uneventful Horizon in Two Dimensions
- Holographic Space-time and Black Holes: Mirages As Alternate Reality
- Smooth Causal Patches for AdS Black Holes
- Firewalls in AdS/CFT
- Status report: black hole complementarity controversy
- Stars in M theory (made up of intersecting branes)
- Still No Rindler Firewalls
- Massive Compact Objects in a Quantum Theory of Gravity
- Singularity Resolution + Unitary Evolution + Horizon = Firewall ?
- Black hole or Fuzz ball or a Loop quantum star ? Assessing the fate of a massive collapsing star
- Note on Localized Objects as Constrained States of Holographic Variables