Comments on black holes I: The possibility of complementarity
Comments on black holes I: The possibility of complementarity
We comment on a recent paper of Almheiri, Marolf, Polchinski and Sully who argue against black hole complementarity based on the claim that an infalling observer 'burns' as he approaches the horizon. We show that in fact measurements made by an infalling observer outside the horizon are statistically identical for the cases of vacuum at the horizon and radiation emerging from a stretched horizon. This forces us to follow the dynamics all the way to the horizon, where we need to know the details of Planck scale physics. We note that in string theory the fuzzball structure of microstates does not give any place to 'continue through' this Planck regime. AMPS argue that interactions near the horizon preclude traditional complementarity. But the conjecture of 'fuzzball complementarity' works in the opposite way: the infalling quantum is absorbed by the fuzzball surface, and it is the resulting dynamics that is conjectured to admit a complementary description.
Mathur, Samir D.
98c39875-9fd5-43b4-81ab-01f324c4e60f
Turton, David
6ce84b30-3cc0-42aa-ace5-f298d4260e9b
9 January 2014
Mathur, Samir D.
98c39875-9fd5-43b4-81ab-01f324c4e60f
Turton, David
6ce84b30-3cc0-42aa-ace5-f298d4260e9b
Mathur, Samir D. and Turton, David
(2014)
Comments on black holes I: The possibility of complementarity.
JHEP, [34].
(doi:10.1007/JHEP01(2014)034).
Abstract
We comment on a recent paper of Almheiri, Marolf, Polchinski and Sully who argue against black hole complementarity based on the claim that an infalling observer 'burns' as he approaches the horizon. We show that in fact measurements made by an infalling observer outside the horizon are statistically identical for the cases of vacuum at the horizon and radiation emerging from a stretched horizon. This forces us to follow the dynamics all the way to the horizon, where we need to know the details of Planck scale physics. We note that in string theory the fuzzball structure of microstates does not give any place to 'continue through' this Planck regime. AMPS argue that interactions near the horizon preclude traditional complementarity. But the conjecture of 'fuzzball complementarity' works in the opposite way: the infalling quantum is absorbed by the fuzzball surface, and it is the resulting dynamics that is conjectured to admit a complementary description.
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1208.2005v3
- Accepted Manuscript
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Published date: 9 January 2014
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Copyright © 2014, The Author(s)
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Local EPrints ID: 469250
URI: http://eprints.soton.ac.uk/id/eprint/469250
ISSN: 1126-6708
PURE UUID: d69ffe50-bf77-4cd9-90b2-504546236eba
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Date deposited: 09 Sep 2022 16:53
Last modified: 17 Mar 2024 03:48
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Samir D. Mathur
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