Cosmology in a String-Dominated Universe

David Spergel; Ue-Li Pen

RECORD

Cosmology in a String-Dominated Universe

David Spergel, Ue-Li Pen

Astrophysics · Submitted 24 Nov 1996

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

The authors' main claim The string-dominated universe locally resembles an open universe, and fits dynamical measures of power spectra, cluster abundances, redshift distortions, lensing constraints, luminosity and angular diameter distance relations and microwave background observations.

how it is stated · asserted 0.99 read the record →

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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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What the abstract itself states, as probabilities: claims first 0.03 · states limitation 0.15 · human participants 0.01 · controlled comparison 0.08 · randomized assignment 0.01 · states quantitative result 0.06 · compares with prior results 0.40 · mentions code or data availability 0.02.

The abstract, sentence by sentence

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

The string-dominated universe locally resembles an open universe, and fits dynamical measures of power spectra, cluster abundances, redshift distortions, lensing constraints, luminosity and angular diameter distance relations and microwave background observations. We show examples of networks which might give rise to recent string-domination without requiring any fine-tuned parameters. We discuss how future observations can distinguish this model from other cosmologies.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	The string-dominated universe locally resembles an open universe, and fits dynamical measures of power spectra, cluster abundances, redshift distortions, lensing constraints, luminosity and angular diameter distance relations and microwave background observations.	result 0.97	0.51	0.75	asserted 0.99
s1	We show examples of networks which might give rise to recent string-domination without requiring any fine-tuned parameters.	contribution 0.89	0.90	0.15	speculative 0.44
s2	We discuss how future observations can distinguish this model from other cosmologies.	future work 0.94	0.49	0.07	unclear 0.60

What kind of paper the classifier reports this is: theoretical result 0.99 · evidence from analysis of existing data 0.50.

What was examined, and what was not

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arXiv listing abstract v1

not examined

full text
figures and tables
references and citing sentences
relations to other papers

levels run

P abstract

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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

The paper

Original abstract

The string-dominated universe locally resembles an open universe, and fits dynamical measures of power spectra, cluster abundances, redshift distortions, lensing constraints, luminosity and angular diameter distance relations and microwave background observations. We show examples of networks which might give rise to recent string-domination without requiring any fine-tuned parameters. We discuss how future observations can distinguish this model from other cosmologies.

Human review

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References

Forward citations

Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

Cosmic F- and D-strings
hep-th 2003-12 accept novelty 8.0 of 10

Long-lived cosmic strings built from bound fundamental and Dirichlet strings can exist in brane-inflation models, with tensions near 10^-10 to 10^-9 in G-mu, inside the reach of planned gravitational-wave detectors.
Formation and scaling of $\mathbb{Z}_N$ strings for global $\mathrm{SU}(N)/\mathbb{Z}_N$ symmetry
hep-ph 2026-07 conditional novelty 6.0 of 10

In a global SU(N)/Z_N scalar model, Z_N-string networks with baryon-vertex-like junctions reach a scaling regime for N=2,3,4,5,8, with string density proportional to N^2-1.
Cosmological scaling solutions of non-minimally coupled scalar fields
gr-qc 1999-03 conditional novelty 6.0 of 10

For a non-minimally coupled scalar field with an inverse power law potential, cosmological scaling solutions exist and their stability is independent of the curvature coupling xi.
Cosmic Strings as Dynamical Dark Energy: Novel Constraints
astro-ph.CO 2025-05 conditional novelty 4.0 of 10

Cosmic string networks are constrained to less than ~1% of the energy density using CMB+BAO+SN data, with some models preferring mildly negative densities but no Bayesian evidence favoring them over LambdaCDM.
Introduction to Cosmic F- and D-Strings
hep-th 2004-12 accept novelty 3.0 of 10

Cosmic-scale F- and D-strings can arise naturally when branes annihilate at the end of warped brane inflation, and their gravitational-wave cusps could be detectable by LIGO.

Show 1 more citing papers

The Cosmological Constant
astro-ph 2000-04 accept novelty 2.0 of 10

Independent supernova, microwave-background, and cluster-mass measurements converge on a flat universe with about 30% matter and 70% vacuum energy, leaving the origin of that vacuum energy unexplained.

How the literature uses it

14 arXiv papers cite this in 20 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 · 7 sentences without a confident label

Compares with it 1 paper

It should be noted that this property is different from that of non-Abelian strings considered in Refs. [ref] , where there are many different strings that cannot pass through or reconnect with each other.

Cosmic strings from pure Yang-Mills theory · Properties of cosmic strings · 0.95

Cites it as background 9 papers

The term “non-Abelian” indicates elements of the first homotopy group to be non-Abelian (non-commutative) [ref] , and consequently when two non-Abelian vortices, characterized by homotopy group elements that do not commute, collide, it is inevitable to form a rung vortex that bridges the two vortices [ref] , implying the formation of a tangled network of vortices and long lifetime of vortices after their formation at the phase transition [ref] .

Half-quantized Non-Abelian Vortices in Neutron $^3P_2$ Superfluids inside Magnetars · Introduction · 0.93
On the numerical side, network evolution with junctions has been studied in [ref] .

The effect of kinematic constraints on multi-tension string network evolution · Introduction · 0.99
Cosmological consequences of a frozen network of strings have also been investigated in Refs. [ref] .

Cosmology of Bifundamental Fields · Introduction · 0.93

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