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Cosmological Constant and Fermi-Bose Degeneracy

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G. Dvali

High Energy Physics - Theory · Submitted 10 Apr 2000

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

The authors' main claim We study some cases in D=4 and in infinite-volume high dimensional theories when unbroken supersymmetry in the vacuum cannot guarantee Fermi-Bose degeneracy among excited states.

how it is stated · asserted 0.78 read the record →

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arXiv IDhep-th/0004057 (version 1)
Pith ID7IBA5GZL, Pith's permanent record of this paper and its review
CitationG. Dvali. "Cosmological Constant and Fermi-Bose Degeneracy." arXiv:hep-th/0004057 (2000). https://pith.science/paper/7IBA5GZL
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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. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 7,012 input tokens, $0.0003 reported.

What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.37 · human participants 0.01 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.05 · compares with prior results 0.17 · mentions code or data availability 0.01.

The abstract, sentence by sentence

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

We study some cases in D=4 and in infinite-volume high dimensional theories when unbroken supersymmetry in the vacuum cannot guarantee Fermi-Bose degeneracy among excited states. In 4D we consider an example in which both supersymmetry and $R$ symmetry are unbroken in the vacuum, and the cosmological constant vanishes. However, theory admits solitons that do not allow existence of conserved supercharges. These objects are magnetically charged global monopoles which in some respect behave as point-like particles, but create a solid angle deficit which eliminates asymptotically covariantly constant spinors and lifts Fermi-Bose degeneracy of the spectrum. The idea is that in some "dual" description monopoles with global topological number and gauge magnetic charge may be replaced by electrically chaged particles with global Noether charges, e.g., such as baryon number. Alternatively theories with infinite volume extra dimensions may support unbroken bulk supersymmetry without Fermi-Bose degeneracy in the brane spectrum. We suggest a scenario in which brane is a source similar to a global monopole embedded in 3 infinite extra dimensions. Brane produces a deficit angle at infinity and may localize a meta-stable 4D graviton. Although bulk cosmological constant is zero, conserved supercharges can not be defined on such a background.

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 study some cases in D=4 and in infinite-volume high dimensional theories when unbroken supersymmetry in the vacuum cannot guarantee Fermi-Bose degeneracy among excited states. contribution 0.97 0.85 0.58 asserted 0.78
s1 In 4D we consider an example in which both supersymmetry and $R$ symmetry are unbroken in the vacuum, and the cosmological constant vanishes. contribution 0.81 0.62 0.06 asserted 0.99
s2 However, theory admits solitons that do not allow existence of conserved supercharges. result 0.90 0.64 0.17 asserted 0.98
s3 These objects are magnetically charged global monopoles which in some respect behave as point-like particles, but create a solid angle deficit which eliminates asymptotically covariantly constant spinors and lifts Fermi-Bose degeneracy of the spectrum. result 0.80 0.71 0.43 asserted 1.00
s4 The idea is that in some "dual" description monopoles with global topological number and gauge magnetic charge may be replaced by electrically chaged particles with global Noether charges, e.g., such as baryon number. interpretation 0.79 0.17 0.07 hedged possibility 0.87
s5 Alternatively theories with infinite volume extra dimensions may support unbroken bulk supersymmetry without Fermi-Bose degeneracy in the brane spectrum. contribution 0.39 0.22 0.23 hedged possibility 0.99
s6 We suggest a scenario in which brane is a source similar to a global monopole embedded in 3 infinite extra dimensions. contribution 0.90 0.60 0.13 hedged possibility 0.59
s7 Brane produces a deficit angle at infinity and may localize a meta-stable 4D graviton. result 0.81 0.51 0.10 hedged possibility 1.00
s8 Although bulk cosmological constant is zero, conserved supercharges can not be defined on such a background. result 0.97 0.64 0.20 asserted 0.99

What kind of paper the classifier reports this is: theoretical result 1.00 · evidence from argument 0.52.

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  • references and citing sentences
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  • T body sentences
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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

The paper
Original abstract

We study some cases in D=4 and in infinite-volume high dimensional theories when unbroken supersymmetry in the vacuum cannot guarantee Fermi-Bose degeneracy among excited states. In 4D we consider an example in which both supersymmetry and $R$ symmetry are unbroken in the vacuum, and the cosmological constant vanishes. However, theory admits solitons that do not allow existence of conserved supercharges. These objects are magnetically charged global monopoles which in some respect behave as point-like particles, but create a solid angle deficit which eliminates asymptotically covariantly constant spinors and lifts Fermi-Bose degeneracy of the spectrum. The idea is that in some "dual" description monopoles with global topological number and gauge magnetic charge may be replaced by electrically chaged particles with global Noether charges, e.g., such as baryon number. Alternatively theories with infinite volume extra dimensions may support unbroken bulk supersymmetry without Fermi-Bose degeneracy in the brane spectrum. We suggest a scenario in which brane is a source similar to a global monopole embedded in 3 infinite extra dimensions. Brane produces a deficit angle at infinity and may localize a meta-stable 4D graviton. Although bulk cosmological constant is zero, conserved supercharges can not be defined on such a background.

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References
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3 arXiv papers cite this in 3 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 · 2 sentences without a confident label

Cites it as background 1 paper
  • Also, some ideas along these lines were explored in a setup with codimension-3 branes with a solid deficit angle in [ref] .

    Brane Induced Gravity: Codimension-2 · Introduction · 0.85

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