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High Energy Physics - Theory · arXiv:hep-th/0602001 v2 · submitted 1 Feb 2006

Origin of black string instability

Hideaki Kudoh

The paper says

“It is shown that for each type of perturbations there is no normalizable negative (unstable) modes, apart from the exceptional mode known as s-wave perturbation which is exactly the GL mode.”

from the abstract · picked out as the main claim by a classifier

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The paper

Abstract

It is argued that many nonextremal black branes exhibit a classical Gregory-Laflamme (GL) instability. Why does the universal instability exist? To find an answer to this question and explore other possible instabilities, we study stability of black strings for all possible types of gravitational perturbation. The perturbations are classified into tensor-, vector-, and scalar-types, according to their behavior on the spherical section of the background metric. The vector and scalar perturbations have exceptional multipole moments, and we have paid particular attention to them. It is shown that for each type of perturbations there is no normalizable negative (unstable) modes, apart from the exceptional mode known as s-wave perturbation which is exactly the GL mode. We discuss the origin of instability and comment on the implication for the correlated-stability conjecture.

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. No sentence in this record was written by a model.

abstract compiled · 2026-09-23 · no language-model review

How the main claim is stated: asserted 1.00

What the abstract itself states, as probabilities: claims first 0.05 · states limitation 0.19 · human participants 0.01 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.07 · compares with prior results 0.29 · mentions code or data availability 0.02

The abstract, sentence by sentence

This table labels the abstract only (arXiv listing abstract v2). The number is the probability the classifier gave the label.

SentenceRoleThe authors' own workStates the main conclusionStrength
It is argued that many nonextremal black branes exhibit a classical Gregory-Laflamme (GL) instability. background 1.00 0.15 0.09 hedged possibility 0.48
Why does the universal instability exist? gap 0.82 0.05 0.02 unclear 0.97
To find an answer to this question and explore other possible instabilities, we study stability of black strings for all possible types of gravitational perturbation. contribution 0.94 0.83 0.04 asserted 0.60
The perturbations are classified into tensor-, vector-, and scalar-types, according to their behavior on the spherical section of the background metric. method 0.99 0.73 0.02 asserted 0.99
The vector and scalar perturbations have exceptional multipole moments, and we have paid particular attention to them. contribution 0.51 0.84 0.04 asserted 0.93
It is shown that for each type of perturbations there is no normalizable negative (unstable) modes, apart from the exceptional mode known as s-wave perturbation which is exactly the GL mode. result 1.00 0.92 0.80 asserted 1.00
We discuss the origin of instability and comment on the implication for the correlated-stability conjecture. interpretation 1.00 0.73 0.08 unclear 0.91

What kind of paper the classifier reports this is: theoretical result 0.99 · evidence from proof or derivation 0.96

What was examined, and what was not

Sources read

  • arXiv listing abstract v2

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

How the labels were made

Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 5,477 input tokens, $0.0002 reported.

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. This record as JSON

Cited by 5 Pith papers
How the literature uses it

8 arXiv papers cite this in 14 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 citing it · 10 sentences without a confident label

Cites it as support 1 paper
Cites it as background 3 papers

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