Why Hawking Radiation Cannot Be Decoded

Ong, Yen Chin

doi:10.1007/978-3-662-48270-4_5

Cited by 3 publications

(11 citation statements)

References 81 publications

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“…3 A similar idea that information is physical only if it can be decoded has recently been proposed by Harlow and Hayden [25,26] in an attempt to resolve the firewall paradox. See also some follow-up works in [27][28][29]. 4 Phenomenologically we assume α > 0; in string theoretical derivations of GUP, α is essentially the Regge slope parameter α ′ > 0, related to the string length λ s by λ…”

Section: The Generalized Uncertainty Principle and Black Hole Physicsmentioning

confidence: 99%

Generalized uncertainty principle: implications for black hole complementarity

Chen

Ong

Yeom

2014

J. High Energ. Phys.

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At the heart of the black hole information loss paradox and the firewall controversy lies the conflict between quantum mechanics and general relativity. Much has been said about quantum corrections to general relativity, but much less in the opposite direction. It is therefore crucial to examine possible corrections to quantum mechanics due to gravity. Indeed, the Heisenberg Uncertainty Principle is one profound feature of quantum mechanics, which nevertheless may receive correction when gravitational effects become important. Such generalized uncertainty principle [GUP] has been motivated from not only quite general considerations of quantum mechanics and gravity, but also string theoretic arguments. We examine the role of GUP in the context of black hole complementarity. We find that while complementarity can be violated by large N rescaling if one assumes only the Heisenberg's Uncertainty Principle, the application of GUP may save complementarity, but only if certain N -dependence is also assumed. This raises two important questions beyond the scope of this work, i.e., whether GUP really has the proposed form of N -dependence, and whether black hole complementarity is indeed correct.

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Section: The Generalized Uncertainty Principle and Black Hole Physicsmentioning

confidence: 99%

Generalized uncertainty principle: implications for black hole complementarity

Chen

Ong

Yeom

2014

J. High Energ. Phys.

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“…In a recent work [15], it is argued that the best arena to study evaporating charged black holes is anti-de Sitter [AdS] space, because it is also in the context of AdS/CFT correspondence [16] that maintenance of unitarity of black hole evaporation is most evident. In particular, the idea is to study charged black holes with flat horizon, that is, the horizon has either planar or toral topology.…”

Section: Charged Black Holes Amidst Paradoxesmentioning

confidence: 99%

“…In [15], the analysis of Hiscock and Weems was extended to asymptotically locally AdS charged black holes with flat horizon. In four-dimensions, such charged flat black holes have metrics of the form [see [40]]…”

Section: The Curious Case Of Charged Ads Flat Black Holesmentioning

confidence: 99%

“…In the case of planar [non-compact] horizon, we simply let M , Q, and K tend to infinity in such a way that the quantities M * and Q * always remain finite. Following the convention in [15], here we employ Heaviside-Lorentz unit for the electric charge in the case of flat charge black hole, so that instead of Q in Gaussian unit, we now write Q/ √ 4π. It can be checked that, given any mass M , the extremal charge is…”

Section: The Curious Case Of Charged Ads Flat Black Holesmentioning

confidence: 99%

“…Instead it only requires large L, specifically L 10 8 cm. See [15] for details. Here we only write down the final results:…”

Section: The Curious Case Of Charged Ads Flat Black Holesmentioning

confidence: 99%

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Charge loss (or the lack thereof) for AdS black holes

Ong

Chen

2014

J. High Energ. Phys.

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The evolution of evaporating charged black holes is complicated to model in general, but is nevertheless important since the hints to the Information Loss Paradox and its recent firewall incarnation may lie in understanding more generic geometries than that of Schwarzschild spacetime. Fortunately, for sufficiently large asymptotically flat ReissnerNordström black holes, the evaporation process can be modeled via a system of coupled linear ordinary differential equations, with charge loss rate governed by Schwinger pairproduction process. The same model can be generalized to study the evaporation of AdS Reissner-Nordström black holes with flat horizon. It was recently found that such black holes always evolve towards extremality since charge loss is inefficient. This property is completely opposite to the asymptotically flat case in which the black hole eventually loses its charges and tends towards Schwarzschild limit. We clarify the underlying reason for this different behavior.

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Excluding black hole firewalls with extreme cosmic censorship

Page

2014

J. Cosmol. Astropart. Phys.

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The AMPS argument for black hole firewalls seems to arise not only from the assumption of local effective field theory outside the stretched horizon but also from an overcounting of internal black hole states that include states that are singular in the past. Here I propose to exclude such singular states by Extreme Cosmic Censorship (the conjectured principle that the universe is entirely nonsingular, except for transient singularities inside black and/or white holes). I argue that the remaining set of nonsingular realistic states do not have firewalls but yet preserve information in Hawking radiation from black holes that form from nonsingular initial states. * Alberta-Thy-4-13, arXiv:1306.0562 [hep-th] † Internet address:

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Why Hawking Radiation Cannot Be Decoded

Cited by 3 publications

References 81 publications

Generalized uncertainty principle: implications for black hole complementarity

Generalized uncertainty principle: implications for black hole complementarity

Charge loss (or the lack thereof) for AdS black holes

Excluding black hole firewalls with extreme cosmic censorship

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