Pith. Sign in

REVIEW

On the Holographic Renormalization Group

High Energy Physics - Theory · Submitted 2 Dec 1999 · 17 references

Pith's verdict: The Hamilton-Jacobi route from 5-d gravity to the Callan-Symanzik equation holds up; the derivative-expansion matching is the soft part, and the two beta-function expressions are never checked against each other.

T0 · AI review

How this review was made: An AI referee (selfhosted/deepseek-v4.1-flash) read the paper on October 29, 2026 and answered a fixed list of questions about it. T0 is the starting level every paper gets. The levels describe how deeply Pith has checked the paper, never the authors.

  1. T0 AI review An AI read the paper and answered a fixed list of questions.
  2. T1 Audit Automatic checks that the references and files the paper relies on exist and match.
  3. T2 Compute The paper's code or calculations re-run with the same results.
  4. T3 Formal statement The claims written out in a formal math language a computer can read.
  5. T4 Proof Those claims proved, and the proof checked by computer.

How Pith checks papers →

· 3 major objections · 5 minor · Ask about this paper · The compiled record · Read the full review →
Challenge this review Comment (0) Read on arXiv ↗
Cite ▾
arXiv IDhep-th/9912012 (version 1)
Pith IDKL332KMM, Pith's permanent record of this paper and its review
CitationE. Verlinde, H. Verlinde, J. de Boer. "On the Holographic Renormalization Group." arXiv:hep-th/9912012 (1999). https://pith.science/paper/KL332KMM
Cite this reviewBibTeX for Pith's review of this paper
Claim paper

Why Pith says this

Highlight any text to comment on it.

Referee report
The paper

The paper claims

The paper argues that the radial evolution equations of five-dimensional supergravity are exactly the renormalization group equations of the dual four-dimensional gauge theory, with the classical supergravity action playing the role of the.

The reading

The paper asks whether the classical equations of five-dimensional supergravity, written as evolution equations in the radial direction, are literally the renormalization group equations of the four-dimensional gauge theory living on the boundary. Working in a gauge where the metric reads $ds^2 = dr^2 + g_{m n} dx^m dx^n$, the authors treat the radial coordinate as time and write the supergravity constraints as a Hamilton-Jacobi equation for the classical action $S[phi,g]$. Splitting $S$ into a local part and a non-local remainder $Gamma$, they match terms of the same functional form and read off a relation between the four-dimensional potential and the five-dimensional one, $V = (1/3)U^2 - (1/2) partial_I U G^{I J} partial_J U$, then $\beta$ functions $beta^I = 6 U G^{I J} partial_J U$, and finally a flow equation for $Gamma$ that has the shape of a Callan-Symanzik equation. If this is right, the supergravity action is the quantum effective action of the dual gauge theory and the fifth dimension is an energy scale rather than an ordinary spatial direction. The authors also derive relations fixing the counterterms that shift the four-dimensional cosmological and Newton constants in terms of the $\beta$ functions.

What carries the argument

The engine is Hamilton-Jacobi theory applied to gravity with the radial coordinate as time: the canonical momentum conjugate to a field equals the functional derivative of the on-shell action, $pi_I = (1/sqrt{g}) delta S/delta phi^I$ and $pi^{m n} = (1/sqrt{g}) delta S/delta g_{m n}$, so the Hamiltonian constraint becomes a functional differential equation that fixes the form of $S$ rather than an equation of motion for the boundary fields. Inserting the split into a local piece carrying a potential $U$, a Ricci coupling $Phi$ and a kinetic matrix $M_{I J}$, plus a non-local remainder $Gamma$, and requiring terms of the same functional form to cancel, converts one gravitational constraint into a whole set of renormalization group statements at once. The potential $U$ plays the role of a superpotential and its gradient gives the $\beta$ functions; the coefficients of the local counterterms encode the flow of the couplings.

Extended reading notes

Core claim

The central claim is that the Hamilton constraint of five-dimensional gravity, read as a functional differential equation for the on-shell action $S$, together with a derivative expansion $S = S_{loc} + Gamma$, reproduces the standard renormalization group structure of the boundary theory. Matching the potential terms gives $V = (1/3)U^2 - (1/2) partial_I U G^{I J} partial_J U$, the same relation a superpotential would satisfy, without assuming supersymmetry. Matching the curvature and kinetic terms gives $beta^K partial_K Phi = 2Phi + 6U$ and a corresponding equation for the matrix $M_{I J}$ of two-derivative couplings, and cancelling a leftover $nabla^2 phi$ term gives a further expression for the $\beta$ function in purely four-dimensional terms, $beta^I = M^{I J} partial_J Phi$. Dropping local terms with two or fewer derivatives then leaves a flow equation for the non-local part, $(1/sqrt{g})(g_{m n} delta/delta g_{m n} - beta^I delta/delta phi^I) Gamma = text{4-derivative terms}$, which upon varying and going to a flat background becomes the Callan-Symanzik equation for $n$-point functions with anomalous dimensions $gamma^I{}_J = nabla_I beta^J$. Relaxing flatness gives a trace anomaly $langle T rangle = beta^I partial_I Gamma + c R_{m n}R^{m n} - d R^2$ with $c = 6Phi^2/U$ and $d = 2U(Phi^2 - (3/2) partial_I Phi G^{I J} partial_J Phi)$, which at a fixed point collapses to $c = 3d = (V/3)^{-3/2} = lambda^3/8$, matching the earlier holographic Weyl anomaly computation.

Load-bearing premise

The argument rests on splitting the action into a local piece plus a non-local remainder and matching terms of the same functional form order by order; the authors state this is a systematic expansion only at scales well below the cutoff, and their appendix shows the constraint leaves the dimension-four part of the potential undetermined.

Editorial extensions

If this is right

  • The radial coordinate of the five-dimensional geometry is an energy scale, and the classical supergravity action evaluated at a finite radius is the generating functional of the dual theory at a finite ultraviolet cutoff.
  • The counterterms multiplying the four-dimensional cosmological constant and Newton constant are not free parameters: they are determined by the beta functions through $beta^K partial_K Phi = 2Phi + 6U$ and the corresponding equation for $M_{I J}$.
  • At a fixed point the anomaly coefficients satisfy $c = 3d = lambda^3/8$, reproducing the known holographic Weyl anomaly and giving a candidate monotonic quantity along the flow.
  • The inequality $U^2 geq 3V$ follows from positivity of the beta-function squares, with equality only at fixed points, so the flow is forced to move monotonically in the potential.
  • The construction is not tied to a particular dual pair and extends to other dimensions and to any gauge theory obtainable as a relevant or marginal perturbation of a large-$N$ conformal theory.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

  • If the identification holds, the Hamilton-Jacobi equation is the leading large-$N$ limit of an exact renormalization group equation; keeping the second-order term the authors mention in their outlook would give a concrete way to test this order by order in $1/N$.
  • The relations tying beta functions to the Ricci and Newton-constant counterterms suggest that four-dimensional Einstein equations with a cosmological term may be a restatement of the flow equations, which the paper defers to a companion work; a reader could check whether any consistent four-dimensional gravity dual forces the beta functions to obey $beta^I = M^{I J} partial_J Phi$.
  • Because the appendix shows the constraint fixes only the divergent part of $U$ and leaves dimension-four terms free, those free terms are plausibly the same freedom as scheme choice and local field redefinition on the field theory side, which would make the scheme dependence of the anomaly coefficients explicit.
Original abstract

We propose a direct correspondence between the classical evolution equations of 5-d supergravity and the renormalization group (RG) equations of the dual 4-d large $N$ gauge theory. Using standard Hamilton-Jacobi theory, we derive first order flow equations for the classical supergravity action $S$, that take the usual form of the Callan-Symanzik equations, including the corrections due to the conformal anomaly. This result gives direct support for the identification of $S$ with the quantum effective action of the gauge theory. In addition we find interesting new relations between the beta-functions and the counterterms that affect the 4-d cosmological and Newton constant.

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.

Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,663 input tokens, $0.0002 reported.

What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.05 · human participants 0.01 · controlled comparison 0.01 · randomized assignment 0.01 · states quantitative result 0.04 · compares with prior results 0.10 · mentions code or data availability 0.01.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

We propose a direct correspondence between the classical evolution equations of 5-d supergravity and the renormalization group (RG) equations of the dual 4-d large $N$ gauge theory. Using standard Hamilton-Jacobi theory, we derive first order flow equations for the classical supergravity action $S$, that take the usual form of the Callan-Symanzik equations, including the corrections due to the conformal anomaly. This result gives direct support for the identification of $S$ with the quantum effective action of the gauge theory. In addition we find interesting new relations between the beta-functions and the counterterms that affect the 4-d cosmological and Newton constant.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 We propose a direct correspondence between the classical evolution equations of 5-d supergravity and the renormalization group (RG) equations of the dual 4-d large $N$ gauge theory. contribution 0.98 0.86 0.69 asserted 0.67
s1 Using standard Hamilton-Jacobi theory, we derive first order flow equations for the classical supergravity action $S$, that take the usual form of the Callan-Symanzik equations, including the corrections due to the conformal anomaly. method 0.55 0.96 0.16 asserted 1.00
s2 This result gives direct support for the identification of $S$ with the quantum effective action of the gauge theory. interpretation 0.99 0.78 0.38 asserted 0.76
s3 In addition we find interesting new relations between the beta-functions and the counterterms that affect the 4-d cosmological and Newton constant. result 0.98 0.95 0.07 asserted 1.00

What kind of paper the classifier reports this is: theoretical result 1.00 · evidence from proof or derivation 1.00.

What was examined, and what was not

sources read
  • arXiv listing abstract v1
not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
levels run
  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

References
How later papers used it

248 later papers cite it

Evidence: substantial. 247 of the citing papers share no author with it, and 43 of those carry a confident label from Pith's citation classifier.

Pith read 38 of the 386 citing sentences, choosing only those whose citation markers point at this paper alone, and wrote the paraphrases from them. The summary, the counts, the evidence level, the links and the quotes come from code; the summary counts the papers listed below. A later paper is listed under a label when Pith's citation classifier gives one of its sentences that label at probability 0.8 or more (0.95 for support), Pith's reading finds that the citing paper itself did it, and a second check confirms the paraphrase against the sentence. This section lists uses only. It does not list criticism or disagreement, so their absence here says nothing about how the paper has been received. Papers that share an author with this one are listed apart, under "By the same authors". A quote is the citing authors' own sentence, shown when their paper's licence is CC BY, CC BY-SA or CC0. JSON

Builds on it 1 paper
Uses its method or tool 6 of 31 papers with this label
How the literature uses it

229 arXiv papers cite this in 355 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers whose main result relates to this one's

Found among the papers closest to this one by title and main claim. Pith's classifier compared each pair's main results and a second model family confirmed the relation; checked against two further families, shown conflicts agreed 118 times in 120 and shown same results 218 times in 239. The quoted sentence is the other paper's main claim.

States the same result 1 paper

Papers citing it · 195 sentences without a confident label

Builds on it 1 paper
Uses its method or tool 26 papers
Compares with it 8 papers
  • Eq. [ref] coincides with the Hamilton-Jacobi constraint in [ref] .

    Gradient Flow and Holography from a Local Wilsonian Cutoff · The Hamiltonian Constraint · 0.98

  • Furthermore, we will find that the beta function associated to the dimensionless coupling, $g_L = L^d-Δ$, is proportional to the derivative of the prepotential, $W'$, as opposed to the usual holographic beta function $W'/W$ [ref] .

    Dimensional regularization for holographic RG flows · Introduction · 0.97

  • The result we have just presented is very close in spirit to the seminal work of deBoer and Verlinde's [ref] .

    Reconstructing AdS/CFT · Solving the Hamilton-Jacobi equation · 0.96

Cites it as support 1 paper
  • The ideas coming from the AdS/CFT correspondence [ref] where renormalization group flows can be formulated holographically [ref] and scale or Weyl anomalies become geometric [ref] further strengthen our belief that the anomaly can be resolved by our approach.

    Unit Invariance as a Unifying Principle of Physics · AdS/CFT Correspondence · 0.98

Cites it as background 102 papers
  • Second, we reviewed the holographic description of the renormalization group flow which implies Hamiltonian constraints on the action on the boundary of a 5d manifold, following to a large extend [ref] .

    Gradient Flow and Holography from a Local Wilsonian Cutoff · Summary and Outlook · 0.95

  • The question is whether the `traditional' holographic RG flow coming from the classical equation of motion [ref] is the same as the more recently formulated one in [ref] .

    Holographic Wilsonian RG Flow and Sliding Membrane Paradigm · Introdution · 0.81

  • There is a vast literature on the subject of AdS/CFT, however we feel that only a relative small portion of it focuses on the questions asked here : First there is the key original reference of Witten [ref] where the meaning of the correspondence is proposed; the body of work by Skenderis et al. [ref] developing the semi-classical understanding of the correspondence and the holographic renormalisation group; the central claim of Verlinde's and deBoer [ref] that there is a relationship between the Hamilton-Jacobi equation and the holographic renormalisation group, and a Schrödinger picture sketched by Maldacena [ref] in the de Sitter context.

    Reconstructing AdS/CFT · Introduction · 0.99

Discussion

Disagree with the review, or know something it missed? Leave a comment, highlight any passage above to comment on it, or challenge this review formally.