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arxiv: 2311.18804 · v3 · submitted 2023-11-30 · ✦ hep-th

Holographic complexity of the Klebanov-Strassler background

Pith reviewed 2026-05-24 05:04 UTC · model grok-4.3

classification ✦ hep-th
keywords holographic complexityKlebanov-Strassler backgroundgauge/gravity dualityconfinement scaleUV cutoff divergencenonconformal theoriesSU(N) x SU(N+M)
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The pith

Holographic complexity in the Klebanov-Strassler geometry exhibits common dependence on the confinement scale across functionals and a distinct UV divergence due to nonconformality.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper applies several holographic complexity proposals to the gravity dual of the confining Klebanov-Strassler gauge theory. It finds that these proposals display a shared pattern in how complexity relates to the theory's confinement scale. The analysis also shows that the divergence of complexity as the ultraviolet cutoff is removed differs from the simpler behavior seen in anti-de Sitter space because the dual theory lacks conformal symmetry. A sympathetic reader would care because this provides a concrete test case for extending complexity calculations beyond conformal theories to more realistic confining ones.

Core claim

The complexity of the Klebanov-Strassler background shows a common behavior with the confinement scale for several complexity functionals, and its divergence with the UV cutoff is more complicated than in AdS backgrounds because the theory is nonconformal.

What carries the argument

The Klebanov-Strassler geometry as the gravity dual to the confining SU(N)×SU(N+M) gauge theory, on which multiple holographic complexity functionals are evaluated.

If this is right

  • Complexity depends on gauge theory parameters through a shared relation to the confinement scale.
  • The UV divergence of complexity requires more involved treatment than in conformal AdS cases.
  • The results supply a starting point for complexity calculations in general gauge/gravity dualities.
  • The example may yield new perspectives on open questions within the holographic complexity program.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The same functionals could be evaluated on other confining supergravity backgrounds to test whether the common confinement-scale behavior is generic.
  • This approach may clarify how complexity encodes confinement in holographic models of strongly coupled gauge theories.
  • Finite-temperature deformations of the Klebanov-Strassler solution could be used to check whether the observed patterns survive.

Load-bearing premise

The standard holographic complexity functionals remain well-defined and physically meaningful when applied to the nonconformal Klebanov-Strassler geometry without additional regularization or adjustments beyond those stated.

What would settle it

An explicit computation for the Klebanov-Strassler background showing that complexity does not exhibit common scaling with the confinement scale for one or more of the functionals, or that its UV cutoff divergence exactly matches the form found in AdS.

read the original abstract

We study the complexity of the gravity dual to the confining $SU(N)\times SU(N+M)$ Klebanov-Strassler gauge theory, which is an important test case for holographic complexity in higher-dimensional and nonconformal gauge/gravity dualities. We emphasize the dependence of the complexity on parameters of the gauge theory, finding a common behavior with confinement scale for several complexity functionals. We also analyze how the complexity diverges with the UV cut off, which is more complicated than in AdS backgrounds because the theory is nonconformal. Our results may provide new perspectives on questions in the holographic complexity program as well as a starting point for further studies of complexity in general gauge/gravity dualities.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

0 major / 0 minor

Summary. The manuscript studies holographic complexity in the Klebanov-Strassler background dual to the confining SU(N)×SU(N+M) gauge theory. It reports that several complexity functionals display common behavior with the confinement scale and that the UV divergence of complexity is more complicated than in AdS backgrounds owing to the nonconformal character of the theory.

Significance. If substantiated, the results would extend holographic complexity calculations to a key nonconformal confining background, supplying a concrete test case beyond AdS and potentially informing broader questions in the complexity program. The abstract, however, supplies no explicit functionals, regularization details, numerical outputs, or derivations, so the actual significance cannot be assessed from the provided text.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their review of our manuscript. The full text provides the details referenced in the abstract, and we address the assessment of significance below.

read point-by-point responses
  1. Referee: The abstract, however, supplies no explicit functionals, regularization details, numerical outputs, or derivations, so the actual significance cannot be assessed from the provided text.

    Authors: Abstracts are necessarily brief. The complete manuscript specifies the complexity functionals (with explicit expressions and comparisons across them), the regularization procedure adapted to the nonconformal UV structure, numerical results demonstrating the common scaling with the confinement scale, and the step-by-step derivations of the divergence structure. These elements substantiate the extension of holographic complexity to the Klebanov-Strassler background. revision: no

Circularity Check

0 steps flagged

No circularity detected from available text

full rationale

The abstract describes results on complexity functionals in the Klebanov-Strassler geometry and their relation to confinement scale and UV divergence but supplies no equations, parameter fittings, derivations, or citations. No load-bearing steps are present that could reduce by construction to inputs, self-definitions, or self-citations. The work is therefore treated as self-contained with no evidence of circularity.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Abstract-only review supplies no explicit free parameters, axioms, or invented entities; ledger left empty.

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Reference graph

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