Instability of supersymmetric microstate geometries

Eperon, Felicity C.; Reall, Harvey S.; Santos, Jorge E.

doi:10.1007/jhep10(2016)031

Cited by 82 publications

(211 citation statements)

References 61 publications

(151 reference statements)

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“…We will not discuss specific models, but we would like to highlight two general results. Linearized gravitational fluctuations of any nonspinning UCO are extremely long-lived and decay no faster than logarithmically [56,112,113,141]. Indeed, such perturbations can be again understood in terms of modes quasi-trapped within the potential barrier shown in Fig.…”

Section: On the Stability Problemmentioning

confidence: 98%

Tests for the existence of black holes through gravitational wave echoes

2017

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The existence of black holes and of spacetime singularities is a fundamental issue in science. Despite this, observations supporting their existence are scarce, and their interpretation unclear. We overview how strong a case for black holes has been made in the last few decades, and how well observations adjust to this paradigm. Unsurprisingly, we conclude that observational proof for black holes is impossible to come by. However, just like Popper's black swan, alternatives can be ruled out or confirmed to exist with a single observation. These observations are within reach. In the next few years and decades, we will enter the era of precision gravitational-wave physics with more sensitive detectors. Just as accelerators require larger and larger energies to probe smaller and smaller scales, more sensitive gravitational-wave detectors will be probing regions closer and closer to the horizon, potentially reaching Planck scales and beyond. What may be there, lurking? 1 arXiv:1707.03021v4 [gr-qc]

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Section: On the Stability Problemmentioning

confidence: 98%

Tests for the existence of black holes through gravitational wave echoes

2017

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“…While such branes are of interest, our focus here is on D1-brane probes. 14 We can reduce the dimensionality by taking one of the two conjugacy classes C sl or C su to be trivial. Thus we set 1 2…”

Section: Let Us Parametrizementioning

confidence: 99%

Little strings, long strings, and fuzzballs

Martinec

Massai

Turton

2019

J. High Energ. Phys.

111

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At high energy densities, fivebranes are populated by a Hagedorn phase of so-called little strings, whose statistical mechanics underlies black fivebrane thermodynamics. A particular limit of this phase yields BTZ black holes in AdS 3 , leading us to the idea that in this context fuzzballs and highly excited little strings are one and the same. We explore these ideas through an analysis of D-brane probes of fivebrane supertube backgrounds. String theory dynamics on these backgrounds is described by an exactly solvable null-gauged WZW model. We develop the formalism of null gauging on worldsheets with boundaries, and find that D-branes wrapping topology at the bottom of the supertube throat are avatars of the "long string" structure that dominates the thermodynamics of the black hole regime, appearing here as excitations of supertubes lying near but slightly outside the black hole regime.

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“…It would be interesting to study general properties of these geometries and compare them with those of a black hole; their geodesics, how they interact with incoming particles or their stability under perturbations. So far, this type of analysis has only been performed for two-charge microstate geometries or three-charge geometries with atypical asymptotic charges and angular momentum 21 [51][52][53][54].…”

Section: Jhep01(2018)041 5 Final Comments and Further Directionsmentioning

confidence: 99%

One thousand and one bubbles

Ávila

Ramírez

Ruipérez

2018

J. High Energ. Phys.

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We propose a novel strategy that permits the construction of completely general five-dimensional microstate geometries on a Gibbons-Hawking space. Our scheme is based on two steps. First, we rewrite the bubble equations as a system of linear equations that can be easily solved. Second, we conjecture that the presence or absence of closed timelike curves in the solution can be detected through the evaluation of an algebraic relation. The construction we propose is systematic and covers the whole space of parameters, so it can be applied to find all five-dimensional BPS microstate geometries on a GibbonsHawking base. As a first result of this approach, we find that the spectrum of scaling solutions becomes much larger when non-Abelian fields are present. We use our method to describe several smooth horizonless multicenter solutions with the asymptotic charges of three-charge (Abelian and non-Abelian) black holes. In particular, we describe solutions with the centers lying on lines and circles that can be specified with exact precision. We show the power of our method by explicitly constructing a 50-center solution. Moreover, we use it to find the first smooth five-dimensional microstate geometries with arbitrarily small angular momentum.

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Instability of supersymmetric microstate geometries

Cited by 82 publications

References 61 publications

Tests for the existence of black holes through gravitational wave echoes

Tests for the existence of black holes through gravitational wave echoes

Little strings, long strings, and fuzzballs

One thousand and one bubbles

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