Holography, Probe Branes and Isoperimetric Inequalities

Ferrari, Frank D.; Rovaï, Antonin

doi:10.48550/arxiv.1411.1887

Cited by 13 publications

(48 citation statements)

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“…The situation may be briefly explained as follows. Ferrari and co-workers have shown [11][12][13][14] that, simply for reasons of internal mathematical consistency, a string-theoretic bulk spacetime with a holographic dual must satisfy certain fundamental relations between the Euclidean spacetime action and the action of probes (such as branes). This has been explicitly confirmed in a large number of concrete cases [14].…”

Section: The Quark-gluon Plasma In the Lhcmentioning

confidence: 99%

“…where L denotes the asymptotic AdS curvature scale, and the superscript "E" represents "Euclidean" 1 . It is known [13] that this condition is satisfied by many candidate bulk geometries, including some very complicated ones such as Euclidean AdS-Kerr geometry. But quasirealistic cases in which it is apparently not satisfied are also known.…”

Section: The Quark-gluon Plasma In the Lhcmentioning

confidence: 99%

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On the existence of a holographic description of the LHC quark–gluon plasmas

McInnes

Ong

2017

Nuclear Physics B

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Peripheral collisions of heavy ions can give rise to extremely intense magnetic fields. It has been suggested that these fields might invalidate the holographic description of the corresponding quark-gluon plasmas, assuming that these can be modelled by strongly coupled field theories. In the case of the plasmas produced in collisions at the RHIC facility (including in the beam energy scans), it is known how to deal with this problem: one has to take into account the large angular momenta generated in these plasmas, and the effects of the baryonic chemical potential. But this does not work for the plasmas produced in peripheral collisions at the LHC. However, these results neglect some (less significant) aspects of bulk physics; could it be that the problem is resolved by taking into account these lower-order effects? Here we use a bulk dilatonic field (fully compatible with boundary data, as well as with the asymptotically AdS character of the bulk geometry) as a model of these effects, and show that this is unlikely to be the solution. Thus, the existence of a consistent holographic description of the most extreme LHC plasmas remains open to question.

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Section: The Quark-gluon Plasma In the Lhcmentioning

confidence: 99%

Section: The Quark-gluon Plasma In the Lhcmentioning

confidence: 99%

On the existence of a holographic description of the LHC quark–gluon plasmas

McInnes

Ong

2017

Nuclear Physics B

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“…(We follow Seiberg and Witten and work in Euclidean signature, converting to Lorentzian signature at the end of the computation. In fact the Euclidean version of the condition we study has a deep interpretation in terms of the internal mathematical consistency of string theory on asymptotically hyperbolic manifolds: see [32][33][34][35]. )…”

Section: The Seiberg-witten Stability Criterionmentioning

confidence: 96%

Cosmic censorship for AdS5-Kerr

McInnes

2020

Nuclear Physics B

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We show that cosmic censorship takes an exceptionally complex and interesting form in the case of five-dimensional AdS-Kerr black holes, due to the unusually distant relation obtaining in that case between the black hole parameters and the physical mass and angular momentum. One finds that, in this case, censorship is less restrictive than one might hope: it apparently allows some rather bizarre behaviour, and in particular does not prohibit arbitrarily large angular momenta. We find however that most of the unwelcome geometries permitted by censorship can be eliminated by requiring stability against pairproduction of branes. We suggest that the small set of surviving problematic cases can be eliminated in a natural way by imposing a certain (holographic) bound on the physical mass.

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“…Seiberg and Witten [37] (see [38,39]) showed that the study of BPS branes propagating in asymptotically AdS spacetimes leads to a condition which must be satisfied if the system is to be stable. Subsequent work [47][48][49][50] has shown that this condition is actually a reflection of very deep internal consistency conditions in string theory; systems which fail to satisfy it are not solutions in the full theory. That is, the Seiberg-Witten condition has a similar status to the one conjectured to hold for "quantum Censorship".…”

Section: Quantum Censorship I: Seiberg-witten Criterionmentioning

confidence: 99%

Characterising the Most Rapidly Rotating AdS$_5$-Kerr Black Holes

McInnes

2019

Preprint

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Recent developments regarding the Weak Gravity Conjecture suggest the existence of a quantum-gravitational version of Cosmic Censorship. We explore the form that this "quantum Censorship" might take in a concrete example, provided by the five-dimensional asymptotically AdS Kerr spacetime. Classical Censorship permits AdS 5 -Kerr black holes with arbitrarily large angular momenta per unit mass, despite the fact that these black holes are holographically dual to four-dimensional field theories describing strongly coupled matter with bounded vorticity. We argue that "quantum Censorship" should forbid this, and we explain the specific way in which this works when these black holes are embedded in string theory. We are guided by the proposed holographic duality of AdS 5 black holes with field theories which under some circumstances resemble the one describing the Quark-Gluon Plasma.

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Holography, Probe Branes and Isoperimetric Inequalities

Cited by 13 publications

References 0 publications

On the existence of a holographic description of the LHC quark–gluon plasmas

On the existence of a holographic description of the LHC quark–gluon plasmas

Cosmic censorship for AdS5-Kerr

Characterising the Most Rapidly Rotating AdS$_5$-Kerr Black Holes

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