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Cosmic Vortons and Particle Physics Constraints
High Energy Physics - Phenomenology · Submitted 23 May 1996
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim These constraints significantly restrict the category of admissible Grand Unified theories, but are quite compatible with recently proposed effects whereby superconducting strings may have been formed close to the electroweak phase transition.
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The abstract, sentence by sentence
We investigate the cosmological consequences of particle physics theories that admit stable loops of superconducting cosmic string - {\it vortons}. General symmetry breaking schemes are considered, in which strings are formed at one energy scale and subsequently become superconducting in a secondary phase transition at what may be a considerably lower energy scale. We estimate the abundances of the ensuing vortons, and thereby derive constraints on the relevant particle physics models from cosmological observations. These constraints significantly restrict the category of admissible Grand Unified theories, but are quite compatible with recently proposed effects whereby superconducting strings may have been formed close to the electroweak phase transition.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We investigate the cosmological consequences of particle physics theories that admit stable loops of superconducting cosmic string - {\it vortons}. | contribution 0.98 | 0.79 | 0.05 | asserted 0.77 |
| s1 | General symmetry breaking schemes are considered, in which strings are formed at one energy scale and subsequently become superconducting in a secondary phase transition at what may be a considerably lower energy scale. | method 0.48 | 0.13 | 0.03 | hedged possibility 0.72 |
| s2 | We estimate the abundances of the ensuing vortons, and thereby derive constraints on the relevant particle physics models from cosmological observations. | contribution 0.63 | 0.95 | 0.28 | asserted 0.98 |
| s3 | These constraints significantly restrict the category of admissible Grand Unified theories, but are quite compatible with recently proposed effects whereby superconducting strings may have been formed close to the electroweak phase transition. | interpretation 0.76 | 0.69 | 0.72 | asserted 0.65 |
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The paper
Original abstract
We investigate the cosmological consequences of particle physics theories that admit stable loops of superconducting cosmic string - {\it vortons}. General symmetry breaking schemes are considered, in which strings are formed at one energy scale and subsequently become superconducting in a secondary phase transition at what may be a considerably lower energy scale. We estimate the abundances of the ensuing vortons, and thereby derive constraints on the relevant particle physics models from cosmological observations. These constraints significantly restrict the category of admissible Grand Unified theories, but are quite compatible with recently proposed effects whereby superconducting strings may have been formed close to the electroweak phase transition.
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References
How the literature uses it
21 arXiv papers cite this in 37 sentences
Papers citing it · 24 sentences without a confident label
Builds on it 1 paper
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In this work, we extend the derivation of the vorton abundance of Ref. [ref] by not only considering vortons produced from pre-existing loops at $$, but also those vortons that may form from the loops chopped off the network at all subsequent times.
Irreducible cosmic production of relic vortons · Introduction · 1.00
Compares with it 2 papers
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In this corner of parameter space, we recover the results already presented in Ref. [ref] : essentially all values of $G$ are ruled out, only values of $G= 10^-30$ and $=10^4$ remain compatible with the cosmological bounds.
Irreducible cosmic production of relic vortons · Numerical integration and initial conditions · 0.98
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Note that our analysis of vortons is different from previous work [ref] in several respects.
Axion strings are superconducting · Vorton Abundance for Small $y$ · 0.97
Cites it as support 2 papers
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Thus, the axion string core never obtains a charge density larger than $m_PQ$, which is required to stabilize axion string loops, aka vortons [ref] .
Axion string signatures II: A cosmological plasma collider · Introduction · 0.96
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At the time of condensation $$, the loops acquire quantum numbers $N$, and we assume again a Dirac distribution for the generated charge: [equation] This is in agreement with Refs. [ref] and motivated by the fact that, if a thermal process of temperature $= 1/λ$ is at work during current condensation, the conserved number $N$ laid down along the string should be given by a stochastic process of root mean squared value close to $√(ℓ/λ)$.
Irreducible cosmic production of relic vortons · The loop distribution at condensation · 1.00
Cites it as background 6 papers
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In addition, a loop of superconducting string can be a stable object, called the vorton [ref] , which is a dark matter candidate in our Universe [ref] .
Quantum current dissipation in superconducting strings and vortons · Introduction · 0.95
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Such a stable configuration is called a Vorton [ref] .
On Stability of Fermionic Superconducting Current in Cosmic String · Introduction · 0.85
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Such static loops are called vortons, first predicted for the superconducting cosmic string in Ref. [ref] and extensively studied in the '90s [ref] .
Axion strings are superconducting · Vortons · 0.90
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