REVIEW
Supersymmetric multi-charge AdS_5 black holes
High Energy Physics - Theory · Submitted 20 Jan 2006 · 17 references
Pith's verdict: The paper that closes out supersymmetric AdS5 black holes: a four-parameter U(1)^3 family containing all three earlier solutions as limits, and the construction holds up.
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Referee report
The paper
The paper claims
A single four-parameter family of supersymmetric, asymptotically anti-de Sitter black holes in five dimensions is claimed to contain every previously known example as a special case.
The reading
What carries the argument
The load-bearing device is the canonical form of timelike supersymmetric solutions of five-dimensional gauged supergravity: the metric is $ds^2 = -f^2(dt+omega)^2 + f^{-1}h_{mn}dx^m dx^n$ over a four-dimensional Kähler base space $B$ with anti-self-dual Kähler form, the Maxwell fields are fixed by $F^I = d[X^I f(dt+omega)] + Theta^I - 9g f^{-1}C^{IJK}bar{X}_J X_K J$, and the Ricci form of $B$ obeys $R = dP$ with $P_m = 3g bar{X}_I(A^I_m - f X^I omega_m)$, which also determines $f$. The authors take the base space shared by the two known unequal-spin solutions, a cohomogeneity-2 Kähler metric depending on only two invariant combinations $A,B$, note that it is Kähler for any value of $r_0$ and that one parameter is removable by a coordinate transformation, and then solve the remaining conditions with an ansatz whose free constants are pinned by self-duality of $Theta^I$, by the Ricci-form equation, and by the constraint $beta_1 = 2r_m^2$.
Extended reading notes
Core claim
The central claim is an explicit supersymmetric black hole of five-dimensional $U(1)^3$ gauged supergravity, asymptotically AdS$_5$, specified by three electric charges and two angular momenta subject to one constraint. The metric is written in the canonical form $ds^2 = -(H_1H_2H_3)^{-2/3}(dt+omega_phi dphi+omega_psi dpsi)^2 + (H_1H_2H_3)^{1/3}h_{mn}dx^m dx^n$, with the four-dimensional base metric $h$ carrying the two rotation parameters $a,b$ and the harmonic-type functions $H_I$ carrying the charge parameters $mu_I$, constrained by $mu_1+mu_2+mu_3 = (2r_m^2 + 3g^{-2}(1-sqrt{Xi_aXi_b}))/sqrt{Xi_aXi_b}$ with $r_m^2 = g^{-1}(a+b)+ab$. The authors show that the metric and field strengths extend analytically through $r=0$, which is a Killing horizon of the supersymmetric Killing field with angular velocities $Omega_phi = Omega_psi = g$, and they give the mass, the three electric charges, both angular momenta, and the horizon area in closed form. At fixed electric charge the horizon area is largest, and the mass smallest, when $a=b$, i.e. when the two angular momenta are equal.
Load-bearing premise
The construction assumes that once the supersymmetry conditions and the Bianchi identities are satisfied the Maxwell equations impose no further restriction on the parameters; the paper states this outcome in one line without displaying the computation, so the advertised parameter count and the claim to contain all known solutions rest on a step the reader cannot check from the text.
Editorial extensions
If this is right
- Every previously published supersymmetric AdS$_5$ black hole — the one-parameter minimal solution, the three-charge self-dual solution, and the two-parameter unequal-spin solutions in both minimal and $U(1)^3$ theories — is recovered as a limit, so properties established for the general family do not need case-by-case reproof.
- The BPS relation $M = g|J_phi| + g|J_psi| + |bar{X}_I Q^I|$ holds across the whole family, so the mass is not independent data once the charges and spins are fixed.
- At fixed electric charges the horizon area is maximised, and the mass minimised, at $a=b$; unequal angular momenta always reduce the entropy at fixed charge.
- The solution extends smoothly through $r=0$ as a Killing horizon with $Omega_phi = Omega_psi = g$, giving a concrete horizon geometry on which a microstate count could be attempted.
- The construction generalises to $U(1)^n$ gauged supergravity, producing an $(n+1)$-parameter supersymmetric black hole.
- The general horizon-area formula reduces correctly to the known results in each special case, so it can be used as a single target for any proposed entropy calculation.
Reading between the lines
- Because the spin dependence of the horizon area enters only through the combination $(sqrt{Xi_a}-sqrt{Xi_b})^2 J/(g^2 sqrt{Xi_aXi_b})$, it is natural to ask whether the entropy of the family is monotonic in a single spin-asymmetry parameter; a dual description would then have to reproduce that monotonicity rather than just the equal-spin value.
- The paper explicitly leaves open the non-supersymmetric rotating charged AdS$_5$ solution of which this is the BPS limit, suggesting Carter separability or a second-rank Killing tensor as the route; finding it would place the supersymmetric locus inside a larger thermodynamic phase diagram and allow a check of whether it is a boundary of that phase.
- The introduction notes that free-field counting overestimates the entropy and that the available indices cancel to $O(1)$ against an $O(N^2)$ horizon area; the closed-form area given here makes the size of that gap explicit and suggests the chiral ring at large R-charge as the natural place to look for the missing scaling.
- The derivation assumes the scalar manifold is symmetric (the condition on $C_{IJK}$), which the authors say is probably inessential; if the general classification of supersymmetric solutions can be used to drop it, the same base space should produce supersymmetric black holes with non-symmetric scalar cosets.
Original abstract
A new supersymmetric, asymptotically anti-de Sitter, black hole solution of five-dimensional U(1)^3 gauged supergravity is presented. All known examples of such black holes arise as special cases of this solution, which is characterized by three charges and two angular momenta, with one constraint relating these five quantities. Analagous solutions of U(1)^n gauged supergravity are also presented.
The compiled record
The paper's own sentences, arranged, kept beside the review and separate from it. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
The abstract, sentence by sentence
A new supersymmetric, asymptotically anti-de Sitter, black hole solution of five-dimensional U(1)^3 gauged supergravity is presented. All known examples of such black holes arise as special cases of this solution, which is characterized by three charges and two angular momenta, with one constraint relating these five quantities. Analagous solutions of U(1)^n gauged supergravity are also presented.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | A new supersymmetric, asymptotically anti-de Sitter, black hole solution of five-dimensional U(1)^3 gauged supergravity is presented. | contribution 0.98 | 0.94 | 0.63 | asserted 1.00 |
| s1 | All known examples of such black holes arise as special cases of this solution, which is characterized by three charges and two angular momenta, with one constraint relating these five quantities. | result 0.47 | 0.65 | 0.49 | asserted 1.00 |
| s2 | Analagous solutions of U(1)^n gauged supergravity are also presented. | contribution 0.91 | 0.91 | 0.09 | asserted 1.00 |
What was examined, and what was not
- arXiv listing abstract v1
- full text
- figures and tables
- references and citing sentences
- relations to other papers
- P abstract
- S sections
- T body sentences
- C citations
- R cross-paper relations
References
How later papers used it
110 later papers cite it
1 later paper by other authors is listed below: 1 used its data or values.
Uses its data or values 1 paper
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Expressed the electric black hole charges computed in this paper in its own notation.
Superconformal indices at large $N$ and the entropy of AdS$_5$ $\times$ SE$_5$ black holes (2020) · 0.96 · paraphrased: the licence does not allow quoting
How the literature uses it
103 arXiv papers cite this in 244 sentences
Papers citing it · 158 sentences without a confident label
Builds on it 7 papers
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In this paper, we employ the results on $1/16^th$ BPS AdS$_5$ black holes [ref] to study the so-called extremal vanishing horizon (EVH) black holes [ref] .
Probing the EVH limit of supersymmetric AdS black holes · Introduction · 0.86
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For $=4$ SYM we can also turn on the other two flavor chemical potentials as discussed above and, by the same constrained Legendre transform of Appendix [ref], we can derive the entropy of the supersymmetric AdS$_5$ black holes with multiple electric charges and an uplift to type IIB supergravity on $S^5$ presented in [ref] .
Microscopic origin of the Bekenstein-Hawking entropy of supersymmetric AdS$_{\bf 5}$ black holes · Regularization and the result for the partition function · 0.81
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In section [ref] we discuss the case of Kerr-Newman black holes in AdS$_5×S^5$ [ref] and their reduction to four dimensions, generalizing [ref] .
Gluing gravitational blocks for AdS black holes · Introduction · 0.94
Uses its method or tool 1 paper
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The final equation to solve is [ref], i.e. [equation] which can be solved for $ω$ using [ref]-[ref], by [equation] where the asymptotic $(r)$ term was chosen for asymptotic regularity, following [ref] .
Rotating attractors and BPS black holes in $AdS_4$ · The KLR solution in 5d · 0.86
Uses its data or values 1 paper
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The electric black hole charges computed in [ref] in our notation read
Superconformal indices at large $N$ and the entropy of AdS$_5$ $\times$ SE$_5$ black holes · Black hole charges and their reduction · 0.96
Compares with it 8 papers
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Upon Legendre transformation, this leads to an entropy formula that is almost equivalent to the entropy formula for supersymmetric AdS$_5$ black holes [ref] : [equation] However, it differs from the ordinary AdS$_5$ black hole entropy formula by a factor $1/m$.
$SL(3,\mathbb{Z})$ Modularity and New Cardy Limits of the $\mathcal{N}=4$ Superconformal Index · Introduction and summary · 1.00
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For completeness, we give the expressions for $d_i$ and $ω(x_i)$: [equation] We have checked explicitly that our non-static near horizon solution ([ref]) written in terms of the coordinates $(θ, ϕ_1,ϕ_2)$ and the parameters $(e_I, a, b)$ is exactly the same as the near horizon limit of the solutions [ref] in their $(θ,ψ,ϕ)$ notation, provided we identify $ϕ_1 = ψ$ and $ϕ_2 = ϕ$.
Near-horizon geometries of supersymmetric AdS(5) black holes · $Δ_0>0$: Topologically spherical black hole · 0.99
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This constraint has to be satisfied by the putative general BPS Bh in $AdS$ and as a check, is exactly the same constraint observed in the known BPS AdS Bh solutions of [ref] , where we have naturally identified the NH rotational symmetries with the asymptotic rotational symmetries of $AdS$.
On Uniqueness of supersymmetric Black holes in AdS(5) · The attractor mechanism & the entropy function · 0.87
Cites it as background 45 papers
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The known supersymmetric black hole in STU gauged supergravity is a four parameter family of supersymmetric solutions [ref] .
All separable supersymmetric AdS$_5$ black holes · The known black hole · 0.81
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In the 1/16-BPS sector, supersymmetric asymptotically anti-de Sitter black holes were constructed in [ref] , as solutions to five-dimensional gauged supergravity.
Classical probes for 1/16 SUSY operators · Introduction · 0.90
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Recently, an extremization principle has been proposed [ref] , where the expression [ref] for the entropy of the supersymmetric asymptotically AdS$_5$ black holes of [ref] is reproduced by the Legendre transform of a certain function of chemical potentials that are conjugate to the black hole charges and angular momenta.[In [ref] this principle was also discussed for the supersymmetric AdS$_5$ black holes with two indipendent angular momenta of [ref] , while in [ref] it was extended to AdS$_7$ black holes.] This is particulary appealing as the function of chemical potentials has a close resemblance with the supersymmetric Casimir energy of four-dimensional superconformal field theories (SCFT's) on $S^1 ×S^3$ [ref] (this relation has been made precise in [ref] ).
Squashing the Boundary of Supersymmetric AdS$_5$ Black Holes · Entropy · 0.88
Discussion
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